Kakyuusei 2: Sketchbook Episode 1 introduces viewers to Tamaki, who discovers a forgotten sketchbook in her closet. The illustrations within evoke memories of her childhood friend, Roma, highlighting their shared past. Concurrently, Roma faces the potential closure of his kickboxing club due to a lack of members, yet he remains unfazed. During an art class, he sketches a nude portrait of Misaki, who, after he protects her from a stalker, begins to seduce him. Meanwhile, Tamaki grapples with her evolving feelings, growing increasingly dissatisfied with merely being childhood friends. The episode delves into themes of nostalgia, unspoken emotions, and the complexities of transitioning relationships. The animation captures the subtleties of the characters' interactions, enhancing the narrative's emotional depth. Overall, Kakyuusei 2: Sketchbook Episode 1 sets the stage for a poignant exploration of love and friendship.