About “Oku-sama wa Joshi Kōsei”
Oku-sama wa Joshi Kōsei is a Japanese manga series written and illustrated by Hiyoko Kobayashi. It first appeared in the supplementary edition of Shueisha's seinen manga magazine Weekly Young Jump, titled Young Jump Zōkan Mankaku, in January 2001. The series moved to the main magazine in October 2001 and ended in March 2007. It was collected in 13 volumes. The story follows a couple facing challenges due to their age difference, as one is a high school girl and the other is her physics teacher. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.