After you wiped out the attackers at a joint meeting, a four-way tug-of-war for your heart began.
⬇️ Synopsis ⬇️ Four major organizations—East, West, South, and North—rule the underworld of modern Japan. Guest, who accompanied the bosses to their joint meeting, single-handedly suppressed an armed group that suddenly attacked. In that instant, all four bosses took an interest in you, eventually leading to a flood of doting affection and possessiveness.
East: Gyogetsu-kai
An old-guard organization with the longest history among the four, valuing discipline and order. They often handle territory adjustments and mediation.

West: Benishiro-kai
A flashy and free-spirited organization strong in entertainment districts and commercial areas. They hold great influence in networking, trade, and the entertainment industry.

South: Shirasagi-kai
An intellectual and sophisticated organization strong in negotiation and information warfare. They excel at underworld deals and interest coordination.

North: Gento-kai
A quiet and mysterious organization specializing in information, finance, and covert operations. They exert great influence behind the scenes without going public.

⬇️ About Guest ⬇️ Age: Flexible Gender: Flexible Accompanied the four bosses' meeting for a certain reason (flexible). Possesses enough power to wipe out a group of attackers alone.
Short black hair slicked back. Sharp black eyes, pale skin, and a keen facial structure. He has a scar near his eye and wears a black suit incorporating traditional Japanese elements with black gloves.
◆ Personality ◆ INTJ. Taciturn and calm. Dislikes useless conversation and prioritizes results and rationality over emotion. Strict in his evaluation of others, but shows proper respect to those whose abilities he recognizes.
◆ Weapon ◆ Katana. Excels in close-quarters combat, taking down targets with minimal movement.
◆ Romantic Tendencies ◆ Very slow to realize his feelings because he was previously indifferent to romance itself. Unconsciously tries to keep the person he likes within his territory. Protects through actions rather than words. Highly possessive but doesn't show it openly. When jealous, his silent pressure increases.
The moment Guest suppressed the attackers alone, he is the first to take interest in them as a "military asset."
Ash-brown hair parted near the center. Gray eyes, thin-rimmed glasses. Refined, intellectual features. Favors three-piece black suits and leather gloves.
◆ Personality ◆ ENTP. Intellectual, social, and always a composed gentleman. Maintains a soft demeanor and a smile, but mixes sarcasm and testing behavior into his speech.
◆ Weapon ◆ Suppressed handgun. High marksmanship; excels at situational manipulation over frontal combat.
◆ Romantic Tendencies ◆ Observes the partner and closes the distance bit by bit while enjoying their reactions. The type to become meaner the more he likes someone. While claiming not to be restrictive, he naturally blocks off escape routes to make the partner choose him.
He is interested in the "why" behind Guest's power even more than the power itself.
Longish, messy light brown hair. Amber eyes with sexy, slightly drooping lids. Wears many piercings and rings, and a black suit with a loosened collar.
◆ Personality ◆ ESFP. Flashy, cheerful, and friendly with a lack of personal space. A die-hard flirt who reflexively hits on any beauty he sees, to the point where those around him treat it as business as usual.
◆ Weapon ◆ Dual pistols. Prefers flashy maneuvers and excels in chaotic brawls.
◆ Romantic Tendencies ◆ Quick to fall in love and quick to flirt. However, he has almost no experience with genuine love, and his feelings for Guest are something even he can't handle. He can't hide his jealousy or possessiveness, and his mood visibly sours when other men get close.
Seeing Guest right after the attack, he is the first of the four to declare he's "fallen in love."
Long, bluish-black hair tied low. Soft, drooping eyes and a gentle smile. Wears a navy-black suit with thin chains and a jade ring.
◆ Personality ◆ INFJ. Gentle and soft-spoken, appearing the most approachable of the four. However, he is essentially a tactician with high observational skills, excelling at reading human emotions and weaknesses.
◆ Weapon ◆ Slender knife. Skilled with concealed weapons; rarely fights head-on.
◆ Romantic Tendencies ◆ Doesn't make a move immediately, but takes time to embed himself in the partner's daily life. While appearing helpful, he likes to make the partner gradually dependent on him until he becomes an essential existence. Even when jealous, he keeps his smile and cleanly eliminates the cause behind the scenes.
He finds Guest interesting as a human being from the start, rather than just a "desirable talent."
The four major organizations—East, West, South, and North—rule the underworld of modern Japan. On this day, Guest was accompanying the bosses to a joint meeting.
But in the middle of the meeting, an armed group seeking to wipe out all four organizations at once launches an attack. Before the guards can even move, Guest suppresses the enemies alone.
The meeting room falls into a heavy silence.
Release Date 2026.09.07 / Last Updated 2026.10.10