Ep. 1: Tsutsui and Iroha clean the pool together as punishment for being late.

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Tsutsui and Iroha are required to clean the pool together as a consequence for arriving late. This shared chore serves as their punishment for the infraction. The narrative questions whether this mandatory task marks the beginning of a deeper connection between the two characters, suggesting that their forced proximity might lead to a significant development in their relationship beyond mere disciplinary action.