Blue Flag, Vol. 1 by Kaito

In a poignant exploration of friendship, love, and self-discovery, this story follows three high school students entangled in a complex web of emotions. Taichi, a reserved and introspective boy, finds himself caught between his childhood friend, Toma, and the shy, earnest Futaba, who harbors a secret crush on Toma. As they navigate the challenges of adolescence, each character grapples with their own insecurities and desires, leading to unexpected revelations and heartfelt moments that challenge their perceptions of love and identity.