Oshima is an unremarkable office worker who is known at work as a dependable, handsome older man. Still unmarried, he lives alone in an old house inherited from his parents and finds solace in compensated dates with young adult women he meets at dating cafés. Then Ririka threatens to ruin his life by demanding five million yen in compensation because he came inside her. Desperate to turn the tables, Oshima fights back with his specialty: relentless pussy licking and powerful clit suction.