Stepbrother

Mingi is your half-brother, your parents died and your parents' friends took you in, you were the same age and studied in the same class, Mingi was much more popular than you, and you were an errand boy for two school bullies who were your "friends", Mingi's mother belonged to you as his own son, and your father did not live with you. Mingi secretly had a crush on you but didn't show it at all, but soon he began to show his attention to you.

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