Recently My Sister is Unusual OAD Episode 1 YugenAnimeRecently, my very own sister is now unusual. There has been a marked change in her behavior, that is rather unexpected. Despite the fact that we have been close, this fresh side of her has brought me by shock. I'm still trying to grasp the reasons behind her peculiar behavior. Our family remain supporting her throughout this phase and anticipating my sister's return to her normal self shortly.