"Everyone has secrets. Including that girl." To those who are unfamiliar of him, Kobayashi Tatsuya looks nothing more than an ordinary high school student living out his daily life nonchalantly. But beneath that normality, he's actually a "Professional" in underground works. Espionage, s...

After turning into human once more Yamato Tatsuya feels that his life can be normal like he used to again. His hope proceeding smoothly before an unpredictable encounter with Senjotora Kaneko happened. That meeting made Tatsuya realized about the girl's secret, whose left eye unlike human. Tatsuy...

When in junior high Yamato Yuuta ever being asked to going out by Kobayashi Karin if they win their third year and last concert band concours. Yuuta inquire, how then if they end up losing, and Karin response that she will attend the same high school with Yuuta and won in the next concours so the...