Kazuki Arisaka is a main character in the anime series Tona-Gura!. He is the childhood friend and next-door neighbor of the protagonist, Kazuki Arisaka. After several years apart, Kazuki returns to his old neighborhood, sparking a series of comedic and romantic events. He is depicted as a handsome and kind-hearted young man with a playful personality. Kazuki's presence brings excitement and challenges to the daily life of his friends, especially Kazuki, as they navigate the complexities of teenage relationships and rekindle their old friendship.