Ep. 5: The girls enter the Fluffy Castle event after Anna's challenge.

Following a challenge from Anna, the group decides to participate in the Fluffy Castle event. During the competition, Emo pushes herself too hard and sustains an injury. This forces her to withdraw, leaving Mirai to compete in the event alone. The narrative focuses on the team's decision to join the activity and the subsequent change in participants due to Emo's physical condition.

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