Desc: Onodera no otôto, Onodera no ane: Directed by Masafumi Nishida. With Osamu Mukai, Hairi Katagiri, Kumiko Asô, Minako Kotobuki. Since their parents died at an early age, Susumu (Osamu Mukai) and Yoriko (Hairi Katagiri) have lived together. Susumu is now 33-years-old and Yoriko is 40-years-old. Both of them have yet to marry. They are like most siblings and they rely on each other. One day, Susumu and Yoriko receive a letter that is sent to the wrong address.