[Nakani] Onei-chan to Guchi o Kiite Ageru Otouto no Hanashi - Tales of Onei-chan Oto-to | 姊姊與傾聽怨言的弟弟[Nakani] Onei-chan to Guchi o Kiite Ageru Otouto no Hanashi - Tales of Onei-chan Oto-to | 姊姊與傾聽怨言的弟弟