Two Brothers Conflict OVAs about Christmas and Valentine's Day. New OP and ED songs by the same singers were presented in these two OVAs. (Source: MAL News, edited)

Valentine's Day is approaching; Hosaka is still trying to express his love to Haruka by cooking, cross-dressing Mako-chan fears to be found out, Kana-"sensei" teaches the other girls how to "win" Valentine's Day, and Fujioka is desperately trying to receive Kana's chocolate.