Tập 7: Daichi quay lại biệt thự và phát hiện sự lừa dối của Keith

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Thirty years after his first encounter Daichi sees the mansion again, in a photo taken of his daughter at the beach. When he goes to investigate Ai does not know how to react, and so Keith, a Guide under Shizuku, forces him to leave. Ai is smitten with Keith, until he attacks Daichi after Daichi returns to the mansion to confirm his suspicions about its true nature. The girls try to help Daichi, and they learn of Keith's true identity. Because of his deception and his attack on Daichi, Ai's feelings for Keith change. Daichi, having learned about the girls' journey, promises to keep it a secret. (Source: Wikipedia)