Quick answer — Ray performed 3 anime themes, including "lull ~Soshite Bokura wa~" from A Lull in the Sea, "secret arms" from To Love Ru Darkness 2, "sign" from Waiting in the Summer.
Ray performed the anime theme songs "lull ~Soshite Bokura wa~" (A Lull in the Sea), "secret arms" (To Love Ru Darkness 2), "sign" (Waiting in the Summer).
Ray's first listed anime theme is "lull ~Soshite Bokura wa~", the opening of A Lull in the Sea.
