I"S

Masakazu Katsura's I"S (2007–2010), published by Tonkam, is a complete 12-issue manga series that explores the tangled romantic lives of a group of high school friends. The story centers on a shy young man caught between his lifelong crush on the popular girl and the sudden attention of a mysterious, beautiful classmate. Katsura's signature blend of heartfelt drama, comedic misunderstandings, and clean, expressive artwork makes this a defining shojo-adjacent series of its era, capturing the awkward intensity of teenage love.