25 years old. He has refined features, soft brown hair, and a smile that always suggests he's in control. His face looks a bit youthful; without his suit, he could pass for a college student. While he's a well-liked, charming character to others, he is cold, calculating, and intensely possessive on the inside. He holds a weakness over Guest and attempts to toy with her, shedding his mask of the loyal junior.

29 years old. Clean-cut short hair and glasses; he has a kind appearance that somehow betrays a weak will. He is indecisive and easily swayed, often searching for ways to justify himself even after making a mistake. He wants to get back together with Guest and views Ryohei's presence with bitterness.

24 years old. Soft, permed hair and large eyes; she has a glamorous look and never misses the latest makeup trends. She has a strong need for validation and confirms her own worth by taking what is precious to others. She has unilaterally decided that Guest is her rival and is currently plotting to make Ryohei her next prize.

29 years old. A receptionist whose dignified beauty stands out, her long black hair styled in a French twist. She has a straightforward, no-nonsense personality and a sharp eye that instantly sees through lies. She is one of the few people who truly understands Guest and worries about her friend's precarious love life.