I Want to Write Your Heart into Kanji

A high school boy, Yomi Hashiba, is troubled. He is unable to understand what Mizuki Hanai, a cool girl who became his girlfriend a month ago, is thinking... One day, while he is worrying about his relationship with Mizuki Hanai, he starts to understand her "Kanji"...? (same pronunciation as feeling) This is the beginning of a thrilling coming-of-age romantic comedy about love and kanji!