向坂雄二

环的弟弟，也是主人公最好的朋友兼同班同学。与环不同，他经常对其他女孩感兴趣，因此经常成为姐姐怒火的受害者，被她狠狠地捏住额头。他经常嫉妒贵明“带走”了所有的女孩。[摘自维基百科。]

简介来自 VNDB · 由机器翻译生成

Tamaki's younger brother and the protagonist's best friend and classmate. He is often interested in other girls unlike Tamaki, and is often the victim of his elder sister's ire in the form of painful forehead-crushing grips. He often gets jealous of Takaaki "taking" all the girls. [From Wikipedia.]

简介来自 VNDB