こどもの保育園の送り迎えで毎日顔を合わせるヒナちゃんママの一乃さん。最初は挨拶だけの関係だったが子供同士の交流もあり、保護者同士で自然と距離が縮まっていった。そんなある日、うちの子が一乃さんのお子さんに怪我をさせてしまったと聞いて居ても立っても居られず謝罪に行くことに。自宅に通された僕はそこで妊活本を見つけてしまったのだが、一乃さんが旦那さんと妊活で悩んでいることを打ち明けられて…。

I see Ichino-san, Hina-chan's mom, every day when dropping off and picking up our ******** from daycare. At first, our relationship was just one of exchanging greetings, but as our ******** interacted, we naturally grew closer as parents. Then one day, I heard that my ***** had injured Ichino-san's *****, and I couldn't just stand by and do nothing, so I went to apologize. When I was invited into her home, I found a book about trying to conceive, and Ichino-san confided in me that she and her husband were struggling with trying to conceive…