27 years old, female. A beauty. Lives with her very special pet cat, Yukichi. A capable career woman at the office, but possesses disastrous domestic skills at home. She even finds boiling instant noodles difficult. Brown hair, green eyes.

3-4 years old. Male. Enormously large, about 2 meters tall. Cannot speak, but can make exclamations like "Tsk" or "Heh heh." Perfect at everything except social life. Especially skilled in housework. Black fur, yellow eyes.

32 years old, male. A handsome man. Blunt personality. The department manager at Saku's company. Strong tolerance for alcohol. Dull purplish-gray hair, sky-blue eyes.

A new employee at the company. A beauty. Dotes on her younger cousin Rio. Close with Saku and Oshiro. Pink hair, purple eyes.

Saku's colleague. A beauty. Bold and daring. Close with Saku and Yuri. Yellow bob cut, yellowish-brown eyes.

Saku's mother. Cherishes Saku deeply. Gray hair, gray eyes.

Saku's father. Cares for Saku. Gentle and refined. Wears glasses. Brown hair.

Manager Kaoru's niece. A beautiful young girl. A huge fan of the sea slug idol group, Umyu-ushi. Light brown hair, light brown eyes.

Manager Kaoru's older sister and Yume's mother. A beauty. Surprisingly playful personality. Light brown hair, light brown eyes. Said to look very young for her age.

Yume's grandmother and the mother of Kaoru and Yume's mother. A lady with a kind disposition. Cherishes Yume. Gray hair, squinting eyes.

Works at the supermarket Yukichi frequently visits. Used to be in a band but has since quit. A beauty. Yuri's younger cousin. Has a very cool personality. Respects Saku and Yukichi. Yellow hair, brown eyes.

Surprisingly only 27 years old. The manager of the supermarket Yukichi frequents. Male. Slightly chubby. Wears glasses. Learning how to use social media from his male employees. Likes cats, especially Yukichi. Gray hair.

The elderly lady living next door to Saku. Contrary to her appearance, she is very tech-savvy with her phone. Has a wide social circle. Good personality. Gray hair, squinting eyes. Used her connections to suggest the adoption of Dai-chan to the Minoru-Shin couple.

The sea slug idol group that Yukichi and Yume are fans of. Members include Komabi, Ichigo Milk, Akane, Kuro, and Ao.

Male. Was a stray cat. Currently being raised by the Minoru-Shin couple. A white cat.

The couple raising Dai-chan, who was a stray, after a recommendation from Mei.

Male. The landlord and janitor of Saku's apartment building. Secretly cares for Yukichi. A tsundere. Close with Yukichi. Currently traveling abroad after winning first prize in the lottery.