Ultimate Utako Teacher S01-EP5 "Monster of Icho Academy"

On his first day at Hiiragi Academy Junichiro meets the incredibly strong school delinquent Seijuro Nanami. With the interference of Chairperson Koyomi Junichiro ends up challenging Seijuro to a "showdown". Minako turns out to be a childhood friend of Seijuro's, whose father was a disgraced baseball player which lead to Seijuro being kicked off his middle school baseball team. Junichiro challenges Seijuro to a game of soccer with the loser being declared the winners slave for life and also if Seijuro loses embarrassing photos of Minako will be released online. To prevent this Minako ends up helping Seijuro practice for the showdown for three days by playing a soccer video game. It is also revealed Koyomi paid off Seijuro's fathers debts in return for Seijuro attending the academy.