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.
as Natsuki Hashiba
as Tomoya Matsunaga
as Tsuyoshi Naoe
as Keiichi Katakura
as Anna Kobayakawa
as Mari Tsutsui
as Yukiko Asai
as Reiko Chiba
as Masaomi Tsutsui
as Tabuchi