Ep. 4: Rescate de las vacaciones de verano e interferencia en el diario

Kotoko, Irie and friends visit Waterland. While Irie's getting ice cream, Yuuki ends up sinking in the pool, and Kotoko saves him. Irie overhears about the rescue, rushes back to Yuuki, and is pleased at Kotoko's actions. Later, Kotoko gets a cramp in her leg while on the water slide, and this time it is Irie's opportunity to save her from drowning. After dinner, Kotoko retreats to her room to finish her summer homework, but runs into trouble. She sneaks into Irie's room to get the answers, instead she finds the diary where Yuuki writes how he feels about her (an annoying dummy); she rewrites it and moves on to find Irie's homework. But Irie notices her actions, proceeds to tease her, pretends to want to have sex with her, muttering that a genius can sometimes turn into a monster, and afterward he makes it up by helping her with her homework. (Source: Wikipedia)

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