24 Hour Sauna & Capsule (２４Ｈサウナ＆カプセル, 24H Sauna & Kapuseru) is a 24-hour sauna and capsule hotel in Tokyo, Japan where Ippo Makunouchi and Tatsuya Kimura went to in order for the latter to lose weight. It has an area where one can check their weight, and "No Smoking" signs are on the walls.
History[]
Part III[]
Importance of the Support Role Arc[]
As Kimura was having trouble getting his weight down for his upcoming match against Junpei Yoshimoto despite following Ippo's schedule. Ippo took him here after believing that Kimura will not able to make his weight like he did in the past.