Hanataro, the young president of a large company, is eagerly awaited by those around him to become heir to the company, but he has neither the desire nor the time to get married. Then, "Shall I have the baby?" Kaname, his secretary and best friend, makes the proposal! Kaname immediately begins her fertility quest, using a drug popularised to combat the declining birth rate, "a drug that can make men pregnant". However, the side effects of the drug cause a tingling sensation in his groin that won't stop...? 少子化対策で男も…妊娠！？ 跡継ぎを望まれるハイスぺ社長×親友思いの秘書 若くして大企業の社長を務める花太郎（はなたろう）は、周囲に跡取りを熱望されているが結婚する気も余裕もない。 そこへ「俺が産もうか？」と提案をしてきたのは、秘書で親友の要（かなめ）だった！ 少子化対策のために広まった“男でも妊娠できる薬”を使い、さっそく妊活を始める要。 しかし薬の副作用でアソコが疼いて止まらない――!?