Nisekoi

Season 1

Episode 6: Borrowing and Lending

Chitoge finds out that Raku was the one who saved her from drowning on the school pool. She tries to thank him, but ends up beating him up more in the process. Kosaki attempts to confess her feelings to Raku but ultimately fails. Chitoge later finds Raku's locket and returns it to him. It is later revealed that Chitoge had secretly had the locket chain fixed, and that she also made a promise with a boy ten years ago, yet all she can remember about the boy is the line "Zawsze in Love".