Plot Hiroshi (Kenichi Matsuyama) is now 30-years-old and lethargic, but Pyonkichi, the frog imprinted on his shirt, is always energetic. Sometimes Hiroshi does not wear t-shirts with Pyonkichi, but Pyonkichi always encourages Hiroshi.
Notes Based on the manga series "Dokonjo Gaeru" by Yasumi Yoshizawa (published from July, 1970 to June, 1976 in Weekly Shōnen Jump). Drama series contains an original story that is set 16 years after the manga series.
Cast Kenichi Matsuyama as Hiroshi Hikari Mitsushima as Pyonkichi (voice) Atsuko Maeda as Kyoko chan Ryo Katsuji as Gorou Hirofumi Arai as Goriraimo Hiroko Yakushimaru as Hiroshi’s mother Ken Mitsuishi as Ume san Kayoko Shiraishi as Kyoko’s grandmother Yuri Shirahane as Teacher Yoshiko Denden as Teacher Machida