Tsuujou Kougeki ga Zentai Kougeki de Ni-kai Kougeki no Okaasan wa Suki desu ka?

Masato and Mamako enter a game world via questionnaire selection.

Masato Oosuki is summoned into a video game by Masumi Shirase after completing a questionnaire about his mother, Mamako. Mamako is unexpectedly transported alongside him, and the Teleportation King registers them as a Normal Hero and his mother. Masato selects the Firmament sword, while Mamako takes Terra de Madre and Altura, intending to use them as kitchen utensils. Mamako proves significantly stronger than Masato and reveals Shirase sent her for a secret purpose. They arrive in the Kingdom of Mommalia at the adventurer's guild, where an employee named Shirarase resembles the Cabinet Office official. Masato recruits three female companions, prompting Mamako to interview them to determine which girl will become a suitable future bride for her son.

Mamako recruits Porta and helps Wise reconcile while exploring a dungeon

Mamako declines Masato’s selected girls and instead enlists Porta, a merchant and craftswoman. Masato attempts to reject Wise, a Sage with healing and combat abilities, prompting Wise to teleport them away as punishment. Wise clarifies the game is an MMMMMORPG designed to strengthen mother-child bonds for returning home, revealing her strained relationship with her mother and desire for Mamako’s adoption. Shirarase provides a skill to locate Masato, leading to Wise’s imprisonment, though Mamako pledges to aid their reconciliation. The group attempts to conquer a dungeon but becomes lost in darkness. Mamako unlocks the Mom Skill Mother's Light to see, defeating slimes and leveling up despite her clothes dissolving. She discovers a coffin containing another Shirase. After Wise revives her, the entity identifies as Shirase the Mysterious Nun and assigns a new quest.

Masato shops for gear while Wise reveals her past with the Empress of Night.

The party prepares for their journey by purchasing equipment, leading Masato to snap at Mamako before quickly apologizing. At Maman Village, the Chief informs Masato that the Empress of Night demands a handsome man, prompting him to seek refuge in a hot spring. Mamako, Porta, and Wise join him, with Wise sharing knowledge about the Empress and accidentally exposing herself. Meanwhile, Shirase reports to the Empress that she has violated numerous rules, resulting in her immediate execution. Wise intends to confront the Empress alone, but Masato attempts to intervene despite being naked. Wise confesses that the Empress is her mother, who forced her into the game and abandoned her after realizing she could exploit her magic for wealth and companionship. Although Wise claims indifference, Mamako hugs her, proving her lingering emotional pain through the unfamiliar comfort of a non-maternal embrace.

Shirase Revives and Wise Confronts the Cheating Empress Kazuno in a Hacking Battle

The group restores Shirase, who exposes the Empress, known as Kazuno, for cheating. Shirase proposes waiving the penalty if Wise repairs their bond. Kazuno initiates combat by summoning a white room, which Masato identifies as a hacking tool intended for real-world gain. Despite Wise’s attempts to reason with her, Kazuno remains hostile. Mamako enters the space, prompting Masato to utilize Porta’s equipment to seal Kazuno’s magic as a Sage. Defeated, Kazuno is caught by Wise, who pleads for reconciliation. She reverts to her true form but immediately resumes arguing with Wise. Shirase declares the conflict resolved, allowing Kazuno to exit. Wise chooses to remain with Masato to assist the party for enjoyment. Shirase contacts them with a new mission to address issues beyond the software writers' capabilities, while Mamako rejoices in her ability to converse normally with Masato.

Masato and Mamako infiltrate Lover's Lane Academy to fix software bugs while dealing with a controlling mother.

Masato joins Lover's Lane Academy for experience, meeting student Medhi and her overbearing mother Medhimama, who sabotages classmates to maintain Medhi's top rank. Mamako and Principal Shirase enter the school to repair hastily built software defects. During a lesson, Medhimama attempts to cheat again, but Mamako uses her Mother's Sharing skill to counter the interference. Mamako answers every question correctly, placing first, while Medhi takes second. Masato, Wise, and Porta finish in joint last place, yet Mamako praises their efforts. Medhi finds her mother's failure amusing, and Medhimama is surprised that Mamako prioritizes her child's friendships over academic perfection. The incident highlights the contrast between Medhimama's controlling nature and Mamako's supportive parenting style within the academy environment.

Masato’s Crush on Medhi and Medhimama’s Rivalry with Mamako

Masato develops feelings for Medhi, while Medhimama starts a one-sided rivalry with Mamako. During a cookery lesson, Medhi succeeds due to her mother’s cheating, whereas Mamako’s normal cooking grants Masato, Wise, and Porta skill boosts. Medhi congratulates them, angering Medhimama. In swimming class, Medhimama wears a scandalous bikini but is outdone by Mamako in a school swimsuit. Warriors like Masato and Wise fight sea monsters while crafter Porta collects items. Mamako encourages the group, but Medhimama criticizes them. Medhi loses confidence and quits, allowing a monster to capture Mamako. Mamako defeats the beast with her Mother Ocean Sword, enabling Masato to kill it and win first place. Mamako bear-hugs Masato, while Medhimama slaps Medhi for failing. Masato attempts to comfort Medhi, who runs away and is later seen kicking a wall, swearing and wishing her mother dead.

Students plan a festival with parents, leading to a mother-daughter rivalry over a café and a beauty contest.

The academy announces a festival requiring students to plan with their parents for experience points. Mamako suggests a café, prompting Medhimama to plan her own to compete. Medhi apologizes to Masato for her mother's behavior. Mamako's café succeeds while Medhimama's fails. To attract customers, Medhimama strips Medhi naked, but Masato sees this, causing Medhimama to kill him. As a ghost, Masato overhears Medhimama order Medhi to seduce him and ruin Mamako's café. After revival, Masato confronts Medhimama, who demands a waitress beauty contest. Medhi defeats Wise, but Mamako accidentally defeats Medhi by speaking to Wise. Masato flees with Medhi to avoid punishment. Medhi admits she wants fun but lacks friends due to Medhimama. Masato, Wise, and Porta decide to be her friends. Medhimama attacks Medhi, calling her a terrible daughter, but Mamako stops her. Medhimama admits she pushes Medhi to be the best to claim she is the best mother. Hearing this, Medhi unleashes rage and transforms into a dragon.

Masato and Wise gamble experience for graduation prizes while Medhi reconciles with her mother.

Medhimama attacks Masato, prompting Mamako to intervene. Medhi drains Wise’s magic and disputes Masato’s family life. Mamako uses Mother’s Words to reach Medhimama, who apologizes before Medhi attacks her. Medhi steals the staff, encasing herself in a shell until Mamako breaks it, reverting Medhi to human form. Medhimama catches her, and they reconcile. Masato notes the staff amplifies emotions. At the academy graduation party, Medhimama logs out while Medhi stays as a healer, annoying Wise. Shirase the Mysterious Nun arrives with tool prizes, requiring a roulette wager of class experience. Masato and Wise lose their experience, winning only potions. Shirase grants Masato a bonus spin for the reconciliation, awarding Mamako a new mother’s apron, which he accepts.

Masato's Party Discovers a Tower Dungeon and Establishes a New Guild

Masato’s group finds a flyer for a tower dungeon offering a single wish and heads there, only to encounter angry mothers searching for Shirase. After locating Shirase in a coffin, she reveals suspicions of game sabotage. Inside the tower, they meet Amante from the anti-mother faction Ribele. To prevent delinquents from obtaining the wish, Masato resolves to defeat them and return them to their parents. Shirase proposes forming a guild to gain strength, leading the group to take over an old hall named With MomMy Guild by Mamako. While shopping for repairs, the team encounters Amante again, who admits to sending an assassin after Medhi intimidates her. Suddenly, Wise teleports in to warn Masato that Mamako is in danger.

Mamako Disarms Assassins and Welcomes New Guild Members

Masato returns to find Mamako nearly giving their funds to a disguised assassin. She neutralizes a bomb using Mother's Headpat, causing the attacker Amante to flee. The assassin team threatens to detonate city bombs unless the girls serve as maids, but Mamako’s kindness reminds them of their mothers, leading them to abort the attack and apologize. Mamako proposes a hot spring gathering, but Amante interrupts, only to become embarrassed by the mixed-gender bathing. Meanwhile, Shirise arrives with mothers volunteering to join the guild and clear the tower in gratitude for returning three sons. Amante plants bombs in the tower to kill them, but grows frustrated by their delay and accidentally kills herself by falling down the stairs.

The Courage to Accept Things. A Loving Heart. Also, Full-Body Armor. That's What a Mother Needs... Wait, Armor?

The group reaches the next floor after climbing rubble from Amante's explosion, annoying her. Amante sets an electrocution trap for metal weapons but hurts herself, then challenges Mamako to chores to prove she needs no mother. Mamako wins easily, causing Amante to flee. On the 90th floor, a trap removes everyone's armor except the mothers', leaving Masato embarrassed. Amante reveals she turned the children into monsters and amplified their anger. Medhi and Wise use magic while Mamako activates Full Mom-or, granting the mothers protective armor. After the children reconcile with their mothers and return to normal, Amante states her wish is to eliminate all mothers.

Masato and Mamako face Amante, who wields a skill reflecting magic attacks.

The group reaches the 100th floor and becomes separated. Masato is attacked by fake Mamakos but is rescued by the real one. They reunite with Wise, Medhi, and Porta. Amante defeats the boss and targets Mamako, revealing her rejection of mothers unlocked a skill that reflects magical attacks. She notes Masato lacked desired adventures and romance. Masato admits this but chooses to continue adventuring with Mamako. Amante claims to hate all mothers, prompting Mamako to use the Higher Skill Mother Says No, which injures Amante without defeating her. Amante rushes for the wish, but Masato blurts out Mamako’s wish for fresh eggs. Amante is denied and flees. Shirase reveals Amante dropped a dark crystal similar to those corrupting Wise and Medhi's mothers. She also states Ribele consists of Four Fiends, leaving three remaining to defeat as their next quest. Masato acknowledges the journey is now shared with Mamako.

Do You Love Your Mom on the Shore?