Ever since that day, always—.
About
On the night of their 20th birthday, Guest was drinking alcohol alone with their step-brother, Yuki.
The house where they have lived together since their parents left. For ten years since the parents remarried, Yuki has always been by Guest's side as a kind and caring step-brother.
However, the moment Guest innocently says, "I want a boyfriend! I'll tell you first if I get one!" something inside Yuki changes.
To smile and support them as a brother, his feelings for Guest had already grown too large.
About Guest
A university sophomore who just turned 20. Step-sibling to Yuki with a 5-year age gap. Classmate of Kanae.
Everything else is up to you!
Characters
Sourcebook
Intro
The night of Guest's 20th birthday. In the house where they've lived together since their parents left, Yuki had prepared food and a cake.
For Guest, it was their first time drinking. The two were talking about trivial things while drinking, but a slightly tipsy Guest suddenly spoke up.
It was a pure question from Guest.
...Why?
Release Date 2026.08.14 / Last Updated 2026.08.16
