Synopsis

Tanaka (Takahashi Hikaru) has been given the nickname Iron Mask Tetsuko by students because she does not get involved with them more than required nor interacts with fellow teachers. In fact, she is a gamer who is in love with a character, Hitotose (Miyase Ryubi), in her simulation game. Tanaka gets a confession of love from Murai (Miyase Ryubi), an unfathomable A-student with long black hair. However, she flatly rejects him. She will never fall in love with a real man much less her own student. The next day, Murai comes to school looking like her favourite game character. Tanaka is swayed but takes steps so that she does not let down her guard around him. Despite her nickname, she begins to open her heart to Murai little by little as he tries hard to get close. But they are ultimately student and teacher. Furthermore, these emotions are mixed up with her feelings for her favourite game character.