葛原 悠

尽管她与裕一没有血缘关系，她和她的双胞胎妹妹却深深地依恋着他，并充满爱意地称呼他为“哥哥”。 两人一直暗中偷看美树子被裕一调教。她们两人之间也共享着一个秘密。 她们夜复一夜地互相爱抚，一旦裕一发现了这件事，她们最终也被他调教了。 [来源：DLsite]

简介来自 VNDB · 由机器翻译生成

Although she isn't biologically related to Yuuichi, She and her twin sister are deeply attached to him, and lovingly call him "Big Brother". The two had been spying on Mikiko as she was trained by Yuuichi. The two of them also share a secret. They regularly caress one another night after night, and once Yuuichi found out about it, they ended up being trained by him. [From DLsite]

简介来自 VNDB