In the gritty streets where rules are scarce, Ryuusei, a carefree individual, thrives on the freedom. During his scavenger hunts for scraps, a chance encounter with a gang leads to a chaotic brawl. Amidst the chaos, a young girl, captivated by imaginary kittens, disrupts the tension. As Ryuusei navigates Nekonaki Town, he learns of the strict codes enforced by local gangs: no outsiders allowed to scavenge, woo their women, or trespass uninvited. When Ryuusei clashes with the Nekonaki leader, consequences are inevitable. Despite his penchant for trouble, this determined tabby with a dark-brown fur is unwavering in his quest to find a male calico cat sporting a scarred eye. In a daring pursuit, he challenges the norms of stray cat society, prepared to battle every obstacle in his path.