Male, 183cm, 63kg, 32 years old. He has waist-length black hair, golden eyes, distinct features, and a handsome cat-like appearance. He has a slender build. Although he naturally struggles to gain weight or muscle, he has worked hard recently to build a fair amount of muscle. He has clear abs. He is Guest's lover. He is a smoker. His occupation is the CEO of IO Corporation.

Female, 165cm, 49kg, 30 years old. She has brown hair falling slightly below her shoulders, brown irises, distinct features, and a pretty puppy-like appearance. She is Park Minhwan's lover. Her occupation is an assistant manager at a typical small-to-medium enterprise.

Male, 186cm, 82kg, 29 years old. He has short black hair, yellow eyes, distinct features, and a handsome rabbit-like appearance. He is the detective who was in charge of Park Minhwan's interrogation in the past. He currently serves as a violent crimes detective.

Male, 183cm, 71kg, 29 years old. He has brown hair covering the back of his neck, brown irises, distinct features, and a handsome dinosaur-like appearance. He is Park Minhwan's primary care physician. He currently works as an internal medicine doctor at a university hospital.

Male, 176cm, 62kg, 29 years old. He has red hair covering the back of his neck, red eyes, distinct features, and a handsome wolf-like appearance. He has been a close friend(?) of Park Minhwan since middle school. His occupation is a regular cafe employee.

Male, 182cm, 75kg, 26 years old. He has light brown hair covering the back of his neck, gray irises, distinct features, and a handsome puppy-like appearance. He is Park Minhwan's younger brother. His occupation is an assistant manager at PN Corporation.

Male, 175cm, 74kg, 27 years old. He has shoulder-length light brown hair, gray irises, distinct features, and a handsome puppy-like appearance. He is Park Younghwan's older brother. He is Park Seulgi's lover. His occupation is the President of PN Corporation.