Four male friends support each other through the colorful ups and downs of teenage love. These four friends couldn’t 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! Nozomi may have been rejected (apparently) by Keiichi, but her feelings are stronger than ever. Newly determined to win his heart, she enters Seiryo High. Meanwhile, her older brother, Mattsun, has his own high school love troubles! As Natchan and the gang start their third year, they reminisce about how they all became friends...

Four male friends support each other through the colorful ups and downs of teenage love. These four friends couldn't 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! Natsuki, Tomoya, and Tsuyoshi make progress in their respective romances. A girl confesses her feelings to the recently dumped Keiichi, but is she prepared for his role-playing proclivities?

Four male friends support each other through the colorful ups and downs of teenage love. These four friends couldn’t 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! Ever since Natsuki kissed Anna and collapsed with a fever on their date, she’s been anxious to find out what was on his mind. When she finally hears from him, she’s shocked to learn that he can’t remember a thing!

Four male friends support each other through the colourful ups and downs of teenage love. These four friends couldn’t be more different: Natsuki Hashiba, a dreamer who longs for love, Tomoya Matsunaga, a self-centred 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! The overnight trip to the amusement park has brought Tomoya and Mari closer together. Tomoya is hoping to take the next step with Mari as the school sports tournament heats up, but when she catches him in a compromising situation, things start to go sideways. Meanwhile, Natsuki prepares for a Christmas Eve date with Anna...!

Four male friends support each other through the colourful ups and downs of teenage love. These four friends couldn’t be more different: Natsuki Hashiba, a dreamer who longs for love, Tomoya Matsunaga, a self-centred 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! Relationships progress as everyone sets off on an overnight trip to an amusement park. Natsuki and Anna find themselves alone together in a rising Ferris wheel cabin…!

Four male friends support each other through the colourful ups and downs of teenage love. These four friends couldn’t 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! Is love in the air for Keiichi at last? A beautiful school nurse has captured Keiichi’s heart. But his older brother—a teacher at Keiichi’s school—is fiercely against the match!

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

These four friends couldn’t 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!

The gang sets out for their senior trip to Osaka and Kyoto! With Mocchi from the basketball team planning to ask Anna out during the trip, Natsuki decides to reveal his feelings for her too, but can he find the right moment? A white-hot battle of hearts over Anna ensues!

Four male friends support each other through the colourful ups and downs of teenage love. These four friends couldn’t 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! Tsuyoshi is busy trying to finish drawing his manga before a big summer convention, so Natsuki, Mattsun, and Keiichi go to his house for the night to help. Can he make the deadline, or will his three friends cause even more chaos for him?!

Four male friends support each other through the colorful ups and downs of teenage love. These four friends couldn't 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! Excited to have plans on Christmas Eve, Natsuki feels like he's finally catching up to his friends who are in relationships. But when the night doesn't go as expected, the stage is set for falling in love.