When Hiroshi was fighting against his rival Gorillaimo, he stumbled over a stone and fell on to a frog. To be surprised, the frog was still alive and it named itself Pyonkichi.

[Source: MyAnimeList]

Continuation of the Dokonjougaeru series.

After Hiroshi daydreams about marrying Kyoko, his chauvinistic behavior puts a strain on his relationship with his closest of friends.

[Source: MyAnimeList]