A romantic comedy where childhood sweethearts will never lose

She will only smile secretly at me. The other party knows that Shirakusa is an active female high school student writer who won the Akumi Award! And she’s a beautiful girl! I know she is not a good match for me, Haru Marusue, an ordinary high school student! However, I think she has feelings for me, probably, ah no, absolutely! That's what I thought...but I found out that Ke Zhi has a boyfriend? ! Facing me who was depressed, my childhood sweetheart Shida Kuroba, who was petite, cute, and caring... and who openly liked me, said to me... "Take revenge." The grudge of first love is deeper than the sea... but it is never dark! Definitely complicated! The revenge of first love begins!