Four male friends support each other through the colorful ups and downs of teenage love.

These four friends couldnt be more different: Natsuki Hashiba, a dreamer who longs for love, Tomoya Matsunaga, a self-centered playboy, Keiichi Katakura, a winsome guy with a hidden saucy streak, and Tsuyoshi Naoe, a socially awkward nerd who loves anime, manga, and games. Together their high school days are as vibrant as rainbows!

After graduation, Tsuyoshi and Yukiko go apartment hunting in Tokyo, Keiichi and Nozomi have their first date, and Tomoya and Mari watch a movie at home. When at last the whole gang goes on a graduation trip together, will Natsuki and Anna find time for romance?