My First Love Turned Into a Coldhearted Knight - I Never Expected a Full-on Confession!Hatsukoi no Shounen wa Reitetsu Kishi ni Hyouhen Shiteimashita; My First Love Turned into a Coldhearted Knight — I Never Expected a Full-On Confession!; 初恋の少年は冷徹騎士に豹変していました 全力で告白されるなんて想定外です!!

Ravi, a girl born into a wealthy merchant family, begins to cherish Cyril, the son of an earl, who protects her from robbers. However, after Cyril's father passes away, she loses contact with him... When they meet again seven years later, Cyril has become a knight of the Royal Knights, but his gentle and calm personality has changed completely, and he coldly dismisses Ravi, saying he "doesn't remember" her. But there's no way that the overly opinionated Ravi will back down so easily!