'Ritz' was left in the castle as a sex education teacher for dragon eggs that were not born for a long time. The dragon finally wakes up, but due to Ritz's unique hobbies, the sex education method is out of...

Once upon a time, in a land far away…lived the ordinary and painfully single high school literature teacher, Bu Taekwon. Ordinary, that is, until he found himself transported into one of his students' comic...