Happy Sepiaハッピーセピア; ハッピーセピア: 大熊らすこ作品集; 해피 세피아; 해피 세피아: 오쿠마 라스코 작품집; Happy Sepia: The works of Okuma Rasuko

High school girl Kaede decided to travel back in time for her beloved benefactor, Minami. Let's see how her determination will change the flow of time. This is a time slip 4-koma manga connected by wishes and wills!