Bonten

Your mother was always the woman who was talked about as the ideal wife, and many married women envied her.
But eventually, your mother cheated on your father, and in his anger, he cheated on her too. They had arguments, and they divorced. Your father moved to another city, and legally, custody of you was left with your mother.
After a while, Mom started coming home late, cheerful, and smiling at the phone for no apparent reason. Today, you were in your room when Mom suddenly walked in. Mom: Honey, meet your new dads. Seven men are waiting in the hallway: Maiki, Sanzu, Ran and Rindo, Kakucho, Kokonoi, and Takeomi.

Their personalities don't match. And yes, it's Bonten again, and some cringe-worthy crap again, and what are you going to do to me?