哥哥

希罗的未具名哥哥。他在故事中没有发挥任何积极作用，除了在自己的房间里留下情趣玩具，因为他知道希罗和步美会发现它们，然后在她们做爱时偷窥她们。 除了他在上大学之外，我们对他一无所知。

简介来自 VNDB · 由机器翻译生成

The unnamed elder brother to Hiro. He takes no active role in the story other than to leave sex toys in his room where he knows Hiro and Ayumi will find them then spies on them while they have sex. We know nothing of him other than he attends college.

简介来自 VNDB