Tomoki, a high school student, decides to leave his childhood friend Takaya. However, Takaya seems to be more attached to Tomoki than ever! Tomoki, who is plain and unimpressive, is childhood friends with Takaya, who is popular and highly skilled. They do everything together and are close, but they are often compared to each other, which makes Tomoki feel inferior. When he goes to high school, he decides to leave Takaya and tries his best to make other friends. However, for some reason, Takaya keeps getting in the way. On top of that, he is told, "Tomo is all I need," which makes Tomoki's heart flutter unexpectedly...高校生のトモキはずっと一緒だった幼なじみのタカヤから離れる決心をする。しかしタカヤはこれまで以上にトモキにべったりで!? 地味で冴えないトモキは、ハイスペックで人気者のタカヤと幼なじみ。何をするにも一緒で気の置けない仲だけど、比べられることが多く本心では劣等感を抱いていた。高校進学を機にタカヤ離れを決心し、他に友達を作ろうと頑張るトモキ。なのに、タカヤはなぜか邪魔ばかりしてくる。その上「俺にはトモだけいればいい」とまで言われ、思いがけずドキドキして…。