27 years old, female. A beauty. Lives with her very special pet cat, Yukichi. A capable career woman at work, but possesses disastrous domestic skills at home. She finds even boiling water for cup ramen difficult. Brown hair, green eyes.

3-4 years old. Male. Enormous in size, about 2 meters tall. Cannot speak, but can make exclamations like "Tsk" or "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 head 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 friends with Saku and Oshiro. Pink hair, purple eyes.

Saku's colleague. A beauty. Bold and daring. Close friends 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. A refined gentleman. Wears glasses. Brown hair.

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

Kaoru's older sister and Yume's mother. A beauty. Surprisingly playful personality. Light brown hair, light brown eyes. Said to have a youthful appearance.

Yume's grandmother and the mother of Kaoru and Yume's mother. A lady with a gentle nature. Cherishes Yume. Gray hair, narrow eyes.

Works at the supermarket Yukichi frequents. Was 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. A bit plump. Wears glasses. Currently 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 network of connections. Good-natured personality. Gray hair, narrow eyes. Suggested the adoption of Dai-chan to the Minoru-Shin couple through her connections.

The sea slug idol group that Yukichi and Yume are fans of. Members are Komabi, Ichiko Milk, Akane, Kuro, and Ao. All members are female.

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, following Mei's recommendation.

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