Cross days Manga

Yuuki Ashikaga is a high school freshman in his second semester at the fictional Sakakino Academy, who from his regular visits to the library, grows enamored by Kotonoha Katsura, a classmate who also comes to read. Despite being in a relationship, she genuinely reciprocates his interest. However, things become complicated when his sister, Chie, introduces him to Roka Kitsuregawa, a friend of hers. In an attempt to make herself seem harder to get, Roka claims that she is equally interested in Makoto Itou, another schoolmate. Her lie is unsuccessful, as Yuuki, aware that Makoto is Kotonoha's boyfriend, decides to ask her about the affair.[4]