Isekai Quest wa Houkago ni!

Tsugami Kazaya is a skilled swordsman who regularly journeys between his world and another realm each day while also going to high school. Following a specific event, he begins teaching Mikoto Chihiro, a senior classmate, the fundamentals of adventuring. Chihiro, who was typically reserved and hard to get close to, begins displaying a more cheerful and open side only around Kazaya. She expresses excitement after successfully defeating a monster, surprising him with her shift in demeanor. The narrative alternates between the two worlds, blending elements of romance and adventure as the pair continues to move between them.