第 4 集: 菊丸在對陣比嘉的Kai時展現封印步法，並進行單打第二場比賽

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Kikumaru plays Singles 2 against Kai from Higa. During the game, it is shown how hard Kikumaru had trained to raise his stamina. His lateral movement has improved so much that it looks like there are two Kikumarus. This motion is called Seal Step, and it looks as if he has a doppelganger. (Source: Wikipedia)