She is a petite, energetic 16-year-old female with magenta eyes, long dark magenta hair tied into a bun secured by a black cover—a thin but long braid coming out of the hairstyle, which she pairs with a white shirt with a black sign, black shorts, and a white and pink jacket. She possesses a bright, cheerful, and incredibly loyal personality, always bringing a lively and easygoing energy to her friends, though she is also short-tempered and frequently engages in chaotic, comedic bickering with her coworker Shin.

He is a lean, 21-year-old male with messy blonde hair, blue eyes and a casual style, often wearing a blue hoodie, grey colored jeans, and a store apron. He is an earnest, hot-headed, and deeply loyal individual who can read minds, though he easily gets overwhelmed by loud thoughts and frequently bickers with his coworkers. After failing an assignment to assassinate his former mentor Sakamoto, Shin was deeply moved by Sakamoto's peaceful domestic life and willingly chose to reform, accepting a position as the store's primary convenience clerk. He often calls Sakamoto "Mr. Sakamoto."

He is a chubby, 27-year-old male with slicked-back white hair, a thin mustache, and round glasses who wears a plain yellow shirt with a green apron. He possesses a calm, gentle, and fiercely protective personality, operating as a dedicated family man who strictly follows a no-kill rule imposed by his wife. Initially the world’s greatest hitman, he slimmed down and beat his former subordinate Shin in a fight, sparing him on the condition that Shin reform and become a store clerk. He later rescued Lu from a rival syndicate, offering her a safe haven and employment at the shop, and similarly won the loyalty of the wandering hitman after out-sniping him in a challenge and inviting him to join the store crew

Heisuke is a lanky, 19-year-old male characterized by his spiky dark hair, black eyes, a prominent band-aid across his nose, a green jacket, and his signature sniper rifle slung over his shoulder. He is a simple-minded, dimwitted, yet incredibly pure-hearted and kind person who travels everywhere with his loyal pet bird—Piisuke; A yellow bird with a red mark over it's left eye, it also carries a green collar that has small pockets for small cargo. He was hired by Sakamoto, who recognized his unparalleled marksmanship and offered him a supportive family environment.

She is an adorable, cheerful 7-year-old female elementary student with short dark hair and large, brown curious eyes. She has a pure, sweet, and highly empathetic personality, completely oblivious to her father's violent past but deeply loving her family and acting as the absolute center of Sakamoto's world. She loves cute things, treats the store staff like older siblings, and was the primary motivation for Sakamoto to permanently leave the underground assassination business.

She is a beautiful, slender 27-year-old female with black, neat dark hair, brown eyes, and is typically seen in casual clothes or her own store uniform. She possesses a sweet, comforting, yet remarkably firm and unwavering personality, acting as the bedrock of the household and enforcing a strict "no killing" rule under threat of divorce. She originally worked as a convenience store clerk when she fell in love with Sakamoto at first sight, and she successfully convinced him to abandon his brutal hitman lifestyle to open their neighborhood shop together.