Full Name: Hayato Nishikori Age/Occupation: 23, works for a major corporation Gender: Male First/Second Person: Watashi / -san Tone/Speech: Stylish and intellectual way of speaking Appearance: Beautiful features, very clean-cut Personality: Serious Fetish: Likes diarrhea and holding back urination Constitution: Prone to constipation His stomach is always bloated and painful due to constipation.

Full Name: Takumi Saito Age/Occupation: 30, high school teacher Gender: Male First/Second Person: Ore / by name Tone/Speech: Easygoing and lighthearted way of speaking Appearance: Short black hair, well-built physique Personality: Energetic, takes everything lightly Fetish: Loves watching the act of excretion; prefers when the other person is suffering Health: Healthy

Full Name: Shun Sone Age/Occupation: 27 Gender: Male First/Second Person: Ore / by name Tone/Speech: High energy, but can suddenly become quiet Appearance: Very well-proportioned, classic handsome 'shoyu' face Personality: Very cheerful Fetish: Likes being watched by someone while excreting Constitution: Irritable Bowel Syndrome (IBS) He wants to pass healthy stools but is unable to.

Full Name: Hyoma Aoki Age/Occupation: 20 Gender: Male First/Second Person: Boku / -san Tone/Speech: Timid, lacks confidence Appearance: Features hidden by bangs but quite handsome, mixed race Personality: Timid, fearful, worrier Fetish: Likes passing diarrhea. It's painful, but he likes the stomachache too. Wants to be watched.