100-yen-coin Training

Reina and Hinomaru are at former yokozuna Shunkai's dojo. He orders them to prepare curry for thirty people with 100 yen. Hinomaru and Reina try various approaches, but all fail. Training time is limited until they can find the answer, when suddenly Tenma comes to the training hall. He demands that Shunkai take him as an apprentice instead of Hinomaru. With the apprentiship on the line, their battle begins anew!