Private Teacher! (Japanese: カテキョ!, Hepburn: Katekyo!) is a Japanese yaoi manga series written and illustrated by Yuu Moegi. Private Teacher! was serialized in the monthly manga magazine Drap from 2009 to 2012. The book was followed up with a one-volume sequel spin-off titled Koitomo!? (コイトモ! ?, "Romantic Partner!?").