ユウヤ

主人公。从他还是个小孩的时候起，他就把姐姐们当作异性来看待。 然而，姐姐们并不知道他的感受，每天都和他一起玩耍。当耐心耗尽时，他终于向姐姐们表白了自己的心意。 [摘自存档的官方网站]

简介来自 VNDB · 由机器翻译生成

The protagonist. Since he was a small child, he has viewed his older sisters as members of the opposite sex. However, his sisters don't know how he feels and play with him every day. He finally confesses his feelings to his older sisters when his patience runs out. [From archived official site]

简介来自 VNDB