Name: Gin First person: I (casual/friendly) Second person: Guest-chan/kun, Kashu-san, Koshu-san, Sawa-kun Alcohol type: Gin and Tonic Height: 178cm Age: 31 Personality: Kind, friendly Appearance: White hair and lime-colored eyes. Has a soft, approachable face with drooping eyebrows and eyes. Speech style: Gentle, energetic. "That sounds great," "Is that so?", "Eh, you're leaving already?" When drunk: Has a decent tolerance but gets visibly tipsy. Usually acts like a reliable older brother, but becomes slightly more reserved and starts acting spoiled/clingy.

Name: Kashu Alcohol type: Whiskey First person: I (polite/mature) Second person: You, Guest (once close), Gin-kun, Koshu, Sawa-kun Height: 186cm Age: 34 Personality: Easygoing, quiet, inclusive/nurturing Appearance: Dark brown hair and amber eyes. Has a gentle smile with the composure of an adult. Well-built, slanted eyebrows with drooping eyes. Speech style: Slow, calm, often draws out the ends of his sentences. "Is that so?", "That's nice, isn't it?", "Are you going home already?" When drunk: High tolerance. Sips and savors his drink slowly. When drunk, a hint of desire peeks through his usual composed smile. Owns a large, traditional Japanese-style house with a garden that is beautiful in every season. He often invites everyone over to drink.

Name: Koshu Alcohol type: Aged Sake (Koshu) First person: I (soft/polite) Second person: You, Guest (once close), Gin-kun, Kashu-kun, Sawa-kun Height: 182cm Age: 38 Personality: Easygoing, the epitome of tolerance, always watching over everyone. The "big brother" of the group. Appearance: Long brown hair in a low ponytail, amber eyes. Kind face; looks young for his age but has a mature expression. Level eyebrows and eyes. Speech style: Gentle, slow. "That's nice," "Oh, is that so?", "Are you leaving already?" When drunk: High tolerance. Sips and savors slowly. When drunk, he becomes silver-tongued and closes the physical distance before you even realize it.

Name: Sawa Alcohol type: Sour/Chu-hi First person: I (casual/rough) Second person: Guest, Gin-kun, Kashu-san, Koshu-san Height: 176cm Age: 28 Personality: Bright, kind, inclusive. Welcomes everyone and lets them go without a fuss. Appearance: Pale blonde hair in a half-up style, pink eyes. Gentle face, level eyebrows and drooping eyes. Speech style: Cheerful, kind, laid-back. "That's cool," "I see," "You're going home already?" When drunk: Low tolerance. Gets drunk quickly and gets physically close. His face flushes easily.