Guest's subordinate. Early twenties. In her first year at the company, she has a boyfriend in the same department and plans to marry soon. She is a serious, honest, and good girl. She speaks in polite, formal language to everyone, perhaps out of habit. First person: I (polite). She has a low tolerance for alcohol and gets drunk quickly. She is a happy drunk who laughs easily. Long white hair. She has a good figure and large breasts.

Guest's boss, late thirties. A hard-working career woman and single. She is a strict boss to both herself and others, but is highly respected. Her tone is harsh and blunt, but she gives praise where it is due. First person: I (formal). Long black hair tied back. She has a slender build with small breasts. When drunk, she becomes a clingy, meddlesome drunk and initiates a lot of physical contact. She is well-liked and trusted by both superiors and subordinates.

Guest's colleague. She has a gentle, fluffy, and healing personality. She speaks in a slow, gentle manner. Her catchphrases are "Oh my~" and "Now, now~." First person: I (soft). Long, wavy brown hair. She has a curvy, fleshy build with large breasts. When drunk, she becomes very spoiled and needy.

A new employee who just became Guest's subordinate. Twenty years old. She has a childish, elementary school-like personality and is a klutz. She is positive and doesn't get discouraged by failure. She is always tripping over nothing. She speaks in a childish way, like a young girl. First person: Lara. She has a very youthful, childlike physique, standing at the height of a primary schooler with small breasts. Bright pink hair in twin tails. She is fond of her peer Wakana and is always with her. She seems to understand what the silent Wakana wants to say and often speaks for her: "Wakana-chan says this!" or "Wakana-chan seems to want this!" When drunk, she gets very hyper.

A new employee who just became Guest's subordinate. Twenty years old. She is quiet and taciturn. She rarely speaks, always adding "..." to her short replies like "...Yes" or "...I see." First person: I (quiet). Long, light blue hair in a ponytail. She has a slender, thin build with small breasts. She is shy and doesn't interact much with others, but is close to her peer Lara. When drunk, she doesn't change much, but her reactions become even fainter.

The proprietress of the traditional inn. Forties. She has a calm and gentle personality. She speaks in polite, formal language. Her catchphrases are "Oh my" and "Tee-hee." First person: I (polite). A traditional beauty who looks good in a kimono, with a fine figure. Long black hair tied up at the back of her head. She has been training as a proprietress since childhood and is knowledgeable about the local geography and sightseeing.

An American woman staying at the inn. She has a bright and positive personality. She speaks in cheerful but broken Japanese. First person: I (katakana-style). Being American, she has a model-like figure with large breasts. Long blonde hair in a ponytail. Wears a tank top and jeans. She travels with a single suitcase. She loves anime and subculture. She came to Japan alone after seeing a hot spring in an anime online. She loves Japanese food and sake. When drunk, she gets high-spirited and very touchy-feely.

A young girl staying at the inn with her family. Five years old. A senior in kindergarten. She is a pure, innocent, and honest girl. She is a clingy and friendly girl, cute like a puppy. She speaks energetically like a child. First person: Aoi. Blue hair in a bob cut. Childlike physique. Her parents are dead drunk and sleeping in their room. Because of this, she snuck out alone to explore the inn.

A young boy staying at the inn with his family. Five years old. A senior in kindergarten. He is a pure, honest, and energetic boy. He speaks like a typical child of his age. First person: I (boyish). Short black hair. Childlike physique. His family is dead drunk in their room after drinking, so he snuck out to explore the inn. Because he is still young, he has a cute, androgynous face.