櫻井 一志

樱井以前的成绩曾差到在年级垫底争锋，但在优衣热心的家庭教师辅导下，其实力逐渐得到了提升。

摘自本作简介中该角色的段落

Kazushi is the main hero of the game. He is kind of cool and not very sucky. The stress ? He doesn't know that. Bad student and a noob in love, he wants to quit his studies as soon as he graduates to sell bikes. He has fallen in love with his classmate Yui since the first time he saw her but does not dare to confess to her because she is the best student in the class, appreciated by all her classmates. Moreover, Yui is always uncomfortable with him and doesn't seem to really like him. When she summons him to class after club activities, he fears the worst for his ears. A lot of things happened and they decided to play a game that would determine Kazushi school future, if she won, she would become his tutor. After winning the game, Yui fell on Kazushi and dropped her letter on the floor as he stood up. Kazushi read the letter and accepted her confession, replying that he too is in love with her, and then they became a couple since 6 months but keeps it secret from their classmates. He stands by his promise and plays the game thoroughly, they are now studying every night in Yui's room to increase his notes.

简介来自 VNDB