Original title: 女ざかりは年下好み「本気のセックス教えてあ・げ・る」
Shougo is recently out of job after company he was working for went bankrupt, forcing him to move back home. His father offering him a hand contacts his relatives who own a hot spring. He is contacted shortly by Kasumi who is now charge of hot spring saying she would love for him to come work there. He now founds himself with new job spending his time helping beautiful women.