Mezame Ogawa is familiar with a game that mirrors this world.

He was living a luxurious life, making full use of his knowledge, but one day he meets a girl.

He recognizes her as a runaway and realizes she's one of the heroines from a certain game.

Apparently, she wasn't chosen by the protagonist and became a "rejected heroine."

He offered to shelter her on certain conditions, and their life together began.

They continued to lead an enjoyable life, filled with activities like shopping, school, and karaoke, but then a man arrived, claiming he came to retrieve the heroine...

*Please feel free to share your thoughts, report any typos, etc.*