s04e09 — If one orange in the box is rotten, the rest of them will become rotten before you know it!

Name: If one orange in the box is rotten, the rest of them will become rotten before you know it!
Released: 2009-05-28
Rating: 4.579
Cast: Tomokazu Sugita, Daisuke Sakaguchi, Rie Kugimiya, Yuu Sugimoto, Satsuki Yukino