Saikin, Imouto no Yousu ga Chotto Okashiinda ga. Episode 4 English Subbed Episode Title:Heartcatch Hiyori-chan.Episode Description:While lying in bed thinking and of Yūya Hiyori tells Mitsuki to respond more to him and says that she could be the ideal little sister, something she takes as a challenge. The next day, Hiyori possesses her and makes breakfast for Yüya who is surprised. The real Mitsuki watches all of this and dismisses it as "sucking up", and has Hiyori reassures her that she won't do excessive body contact or seduction on him. She continues to watch as Hiyori acts very sister-like to Yüya while in her body to the point of causing him to smile...