Sono Koi wa Kousoku Ihan desu

Akari is a rookie teacher. At her last drinking party as a student, she gets drunk and loses her memory, and when she wakes up, she finds herself in a love hotel?! A young man is standing next to her?! And that man turns out to be one of her own students?! A dangerous, forbidden love begins between the rookie female teacher and a handsome, delinquent student!

(Source: Shogakukan, translated)