Time Travel, Then Being Cornered at the Door by a Rich High School Girl

A month after traveling through Tokyo, Watanabe Yu looked at the rich high school girl blocking his door, her face full of eagerness, hoping he would take her in. He also looked at the system in his hand that had just won the round of 16 revival match and couldn't help but fall into deep thought.

[The romance alert system has been loaded, and the "I want it all" alert plugin has been activated.]

A highly ambitious young lady appears before you. She seems to like you quite a bit, but she clearly has ulterior motives.

So, should we keep her here?