|Occupation||High school student|
His feelings are shown when he sees Nanami with Tomoe in the ice cream parlour, looking for Kotarou and he becomes concerned about her because Isobe says Tomoe looks "sketchy".
He also is curious about why she isn't attending class and starts to harass and humiliate her. Although, he becomes scared when Tomoe threatened him not to lay a finger on Nanami. Then, Isobe claims he was only messing around. Paralysed in a state of shock Nanami yells at Tomoe to stop picking on every human he sees and to a frozen Isobe not to pay attention to Tomoe (who is also frozen because Nanami yelled in his ear).
When Isobe tries to bet if Nanami will return back to school, his friend asks him why he keeps pestering and wonders is it because Isobe has a crush on Nanami; Isobe starts to hysterically laugh but also blushes.
When Nanami is sick and can't attend school so she makes Tomoe disguise as her and go to school, this is because Tomoe in Nanami form; he blushes deeply and is dumb struck. Isobe likes to make fun of her being poor and he claims he would never date Nanami because