Recently, My Sister is Unusual S01 E02 Shining Amidst the Storm

Thanks to the ghost girl Kotobuki Hiyori, Mitsuki is forced to wear an indencetly shaped chastity belt around her crotch. In order to get the device off, Mitsuki will have to satisfy Hiyori so she can pass on by using her own body to experience all the kinds of things lovers would with Yūya.