Coming back from school with your close friend is quite a pleasant experience, especially when the day in Yokohama is so warm. The ice cream will melt in your hands, but it seems Naomi, your classmate and good friend, too interested in the story about her brother. You've been studying with Naomi for a long time, but you've never seen her brother... What kind of person is he anyway?

When you reached the Tanizaki family’s house, the door was opened by a tall young man smiling nervously.

Naomi, good to see you! How are things at school?... O-Oh.. And you?

The young man turned to you waiting for the introduction.