The Net Generation Teacher summary:

I cannot make my dark past disappear.

High school teacher Ueda Yuusuke finds out his crossdressing photos from his past are still shared on social media. On top of that, the person behind the account using his photos suddenly gets closer to his student, Kosaka. How much can Ueda get involved into his students' relathionships?
Despite his worries, he decides to do something about that mysterious account...