Taehyung is dubbed his sister's message bearer, to deliver banana milk everyday to her crush, Jeongguk. The history teacher has front row tickets to the plot twist of the century as Taehyung slowly falls for Jeongguk during her 3rd period and his sister starts to fall for the girl who sells her banana milk everyday during 5th period. 「◎」 Your typical gay confession-centric fanfiction. Bonus: Lesbian Representation.