And So The Baton Is Passed(そして、バトンは渡された)

Yuko Morimiya is a high school student and she lives with her stepfather Morimiya. Morimiya is her third father. Her mother, Rika, is a free spirited person and has remarried several times. She disappeared from Yuko's life at a certain point. Even though Yuko and her stepfather are not blood related, she is fully loved by her him.