The Anime Lad
Takuya Seo is an otaku who sits behind popular classmates Ijichi and Amane. He assumes their social circles have little in common. A borrowed eraser leads him to mention his favorite anime, and Amane immediately corrects him. She denies being a fan, but her precise familiarity has already introduced evidence that the classroom hierarchy did not account for.
Super Eyepatch Fox
Sit behind two popular gals while keeping an otaku hobby to yourself. Borrow an eraser and accidentally mention a favorite anime. Amane corrects the detail before insisting she is not a fan. Takuya now suspects that someone from a different social circle may share the knowledge he expected to keep private.
Gigguku
Takuya assumes the popular gals ahead of him belong to a completely separate world. Then one borrowed eraser leads to an anime comment, and Amane corrects him instantly. She says she is not a fan. Her knowledge says otherwise. That tiny slip creates the thrill of finding possible common ground exactly where the classroom hierarchy said none should exist.
Father's Basement
A quiet otaku discovering that a popular classmate may share his hobby is familiar romantic comedy material. The correction makes it specific. Takuya lets one anime detail slip, and Amane responds too accurately for someone claiming no interest. Their possible connection begins with recognizable fan knowledge rather than immediate attraction or a sudden personality change.