Ninpuu Sentai Hurricaneger (2002)

S1E26 Scroll 26: The Bow & Arrow and Sea Bathing

Isshu falls under the influence of a Chunin’s love-manipulating jutsu, which twists his feelings into a fierce rivalry. Now convinced he must win Nanami’s heart at all costs, he clashes with a popular idol who also has his sights set on her. What begins as a silly misunderstanding quickly escalates into an all-out battle for affection, leaving Nanami bewildered and caught in the middle of their chaotic romantic competition.