Shinonome Nagi, a college student who loves reading sensual novels in newsports column, met with his admired writer sensual novelist, Shidou Tatsuo. Shidou treats him like a child and swears that he could make him cum with just a kiss. And it turns out, Shido’s kiss technique was truly outstanding!!! Since the first day that they met, they got involved in intercrural sex and Shidou even utilized it to produce a story which got him a new serialization! “Be my assistant and cooperate with me to produce the story, perverted brat.” “Stop calling me a brat, old man!” From intercrural sex to the positioned 69, Shidou’s mature adult’s way of erotic advancement is giving Nagi even more expectations instead! This book contains not just the series with the title, but also a one-shot which starts with witnessing a long-time rival friend’s sexual scene and includes a peeping tom kink. スポーツ紙の官能小説が好きな大学生の東雲凪は、憧れの官能小説家・紫藤辰雄と出会う。 ガキ扱いする紫藤にキスだけでイかせる「くちセックス」を教わることになるが、紫藤のキステクは本物で…!! 出会ったその日に素股までされてしまい、しかも、そんな自分をネタに、紫藤の新連載が始まった。 「アシスタントとしてネタ提供してくれ、エロガキ」 「ガキって呼ぶなよ、おっさん！」 素股や69など、紫藤がくれる大人でエッチな刺激に、凪は次を期待するようになってしまい…!?