He moves to a new flat for a new job. Her neighbour is unexpectedly her first love - Sakuraba, who she was in love with when she was in high school. I meet again with Sakuraba, whom I crossed paths with in the past, and I don't want to be in love anymore. I don't want to be disturbed. But even though she thought so, he can't help looking at him, can she stop his heart from beating and being attracted to him? 浅水 洋27歳。 転職のために引っ越してきたマンション。 お隣さんは、まさかの初恋の相手――高校生の頃に恋をしていた櫻庭岳人だった。 過去にすれ違った櫻庭と再会し、もう恋はしたくない。掻き乱されたくない。 そう思っていたはずなのに、どうしても見てしまう、胸が高鳴ってしまう。 惹かれてしまう心は、止められる――？