第21話: ショウのいじめを終わらせるため、チプマンクがビッグシス・ショウに決闘を挑む

Chipmunk's sister comes to his house to play again. Fed up with Big Sis Shou's unreasonable behavior, Chipmunk challenges her to a duel. The conditions of the duel are that if Chipmunk wins, Big Sis Shou will never bully him again, but if Shou wins, Chipmunk will do whatever she says forever. The siblings agree to duel. (Source: Crunchyroll)

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