Miyuki Sasaki

She's the protagonist of the story. Miyu is outgoing, friendly and popular at her school and has many friends In the first chapter, she has a stalker called Ayumi who's her classmate that really likes Miyu but doesn't know how to open up and ask her out. One day, while following Miyuki, Ayumi got hit by a train and died Miyu witness her death and have to attend her funeral since Ayumi was her classmate, she felt empty inside, she doesn't know how to feel because she felt nothing about Ayumi before, but at the same time Miyu felt guilty because she feels like she's the reason why Ayumi died.