ATID-704 I was told I must never fall for her, but every time I met my best friend’s crush, she kept telling me she liked me. I couldn’t keep refusing, and before I knew it, I crossed a line behind my best friend’s back. Kami Aoi

Atsushi is introduced to Aya by his close friend Yuichi, who has feelings for her. However, to everyone’s surprise, Aya falls for Atsushi at first sight.

Atsushi is repeatedly and sincerely approached by Aya, but due to a painful past heartbreak, he has developed a fear of women. After learning about his situation, Aya gently comforts him and says, I’ll make you forget everything, slowly melting away the ice around his heart.

Though Atsushi struggles with guilt toward his best friend, the two are drawn to each other more and more intensely.