“The thrill of my smartphone vibrating in sync with the heartbeat of the boy I like is the best.” She is the top national mock exam scorer, a high school student who earns a hefty sum with her programming skills. Yet, Kujo Kurenai, who dislikes people and speaks to no one, was deeply in love with her classmate seated next to her, Miyashiro Kuuya. Confused by her first-ever feelings of affection, Kurenai found a hobby in collecting information about Kuuya using her advanced technical skills. Based on the information gathered, she would speak to Kuuya once every ten days, marking her days with a painful longing. However, Kuuya possesses a special ability to “see people’s emotions as colors” and has noticed Kurenai’s secret affection—! A love comedy filled with missed connections between a high-spec girl who can’t express her feelings and a boy with special abilities who’s distrustful of love! — (Note: We’re using the title from the cover.)