Shinmatsu Hanano, who was found by the master of the waves due to a slight misunderstanding and entered the sumo stable. While he is surrounded by his seniors and master Futako Tamagawa, the demon of the ring, his tough heart and hidden talent (?) Are recognized...? The author's decisive factor is the exchange of slapstick and messy gags that unfolds in the sumo stable! A sumo wrestler comedy that will make you laugh out loud!