Shirakawa, is a high school girl whose mature appearance and behavior make her the object of admiration. However, the real Shirakawa is not the person she is rumored to be, but a hardcore "magical girl" otaku. The only one who understands her is Tateishi, a cool and handsome guy who is also a member of the Kyudo club. Like Shirakawa, Tateishi attracts the eyes of many people from afar, but in fact, he is also a "Sentai" otaku.

A love comedy unfolds between the two who share a secret hobby: Sunday morning children's hero shows.
高嶺の花の極み女子×鉄仮面イケメンのヒミツな関係ラブコメディ開幕　
美人すぎて周囲から「白川様」呼びの超絶高嶺の花扱いで「石油王の彼氏がいる」などの突拍子もない噂をたてられている葵。
そんな彼女と双璧をなす「鉄仮面イケメン」と呼ばれる竣。
大人っぽく見えるふたりですが、実はとある秘密を共有する誰にも言えない関係で…!?