Sonnan ja nee yo(そんなんじゃねえよlit. "It's not like that!") is a Japanese romantic comedy manga series written and illustrated by Kaneyoshi Izumi. It is serialized in Shogakukan's Betsucomi. In May 2006, Sonnan ja nee yo reached a circulation of one million and two thousand copies with 6 volumes. Sonnan ja nee yo received the Shogakukan Manga Award for shōjo manga in 2006.