Ep. 7: Masamune enters the Light-novel Tenkaichi Budoukai despite Senju Muramasa's hostile declaration.
Aired on May 21, 2017

Masamune is working diligently to expedite the publication of his new title. He promptly registers for the Light-novel Tenkaichi Budoukai competition. Senju Muramasa, a highly popular author, also enters the contest. She confronts Masamune and declares her intention to crush his dream, which she dismisses as pointless. The reason behind her aggressive stance and motivation for targeting him remains unclear. This situation creates tension between the two writers as they prepare to compete against each other in the upcoming event.
Episodes
- Ep. 3 · Sagiri hears piano music from the cursed Izumi House mansion next door
- Ep. 4 · Masamune and Elf Yamada grow closer, prompting Sagiri's suspicion despite his denial.
- Ep. 5 · Sagiri and Masamune work on a manuscript proposal while Elf sends an urgent message.
- Ep. 6 · Masamune Izumi and the Nemesis of Ten Million Copies
- Ep. 7 · Masamune enters the Light-novel Tenkaichi Budoukai despite Senju Muramasa's hostile declaration.
- Ep. 8 · Sagiri learns the truth about Masamune and Muramasa while the editorial office prepares for a summer celebration.
- Ep. 9 · The narrative centers on a little sister and her experiences on a fairy island
- Ep. 10 · Muramasa Reads Masamune's Shelved Stories at the Vacation House
- Ep. 11 · Masamune and Sagiri reunite and share their creative origins at an Akihabara event