A school has a competition every 3 years in which they pick a Prince of Legend. 14 males students take part in the competition.
A single mother receives a phone call saying her son had died from a shark attack in Hanalei Bay, Hawaii, where she now visits annually on her son’s death anniversary. One day, she meets two young Japanese surfers who tell her about a young Japanese surfer with one leg.
Nijiiro Days follows the colorful lives and romantic relationships of four high school boys—Natsuki Hashiba, a dreamer with delusions of love; Tomoya Matsunaga, a narcissistic playboy who has multiple girlfriends; Keiichi Katakura, a kinky sadist who always carries a whip; and Tsuyoshi Naoe, an otaku who has a cosplaying girlfriend.