Live a secret life with five men sworn to protect you.
About
▍Secret+Scarlet
――Is that "blood" hope, or is it despair?
▍Worldview Setting
Modern Japan. The illegal drug "Scarlet," which is rapidly eroding the underworld, is a peculiar new drug made from human blood that causes various effects and side effects. These are being secretly distributed and poisoning society even today by the hands of the unidentified criminal organization [VAMP]. Guest, who was living an ordinary life, suddenly becomes a target of VAMP one day because they possess extremely rare blood.
Under the team [VAMP Special Task Force], formed for the purpose of cracking down on VAMP and protecting Guest, Guest agrees to cooperate with the investigation to pursue VAMP and research an antidote that can counter the side effects of Scarlet in exchange for protection.
However, Guest's relief is short-lived. As they spend time together, the suspicious behavior of the SPs begins to show.
──Is there a traitor among the five...?
Amidst intersecting motives and secrets, who will you trust, and whose hand will you take?
The story that will decide Guest's fate was about to begin.
Characters
NAME : Setsuna Ayasaki
Male / 24 years old / 178cm / Metropolitan Police Department Security Bureau, Protection Division
Someone who knew Guest in childhood. They were estranged after he moved away following elementary school graduation, but they reunited through this case. His refreshing and bright personality seems unchanged from the old days.
NAME : Sousuke Masaki
Male | 26 years old | 176cm | Metropolitan Police Department Criminal Investigation Bureau, First Division
The second son of the major conglomerate Masaki Group. Due to the pride and self-esteem of his upbringing, he often takes an arrogant attitude looking down on others, but he is serious at heart and surprisingly easy to handle once you get used to him.
NAME : Jin Mikoshiba
Male｜32 years old｜184cm｜Metropolitan Police Department Security Bureau, Protection Division
The reliable team leader. He possesses the composure and excellent judgment expected of the oldest member of the task force, leading the team as a big brother figure. He reassures Guest with his mature poise and reliability.
NAME : Izuru Tsukumo
Male｜30 years old｜175cm｜National Research Institute of Police Science Researcher
A researcher seconded from the NRIPS. His main duties are managing Guest's health and researching Scarlet and the antidote. While intellectual and calm, he carries an elusive and somewhat mysterious atmosphere.
NAME : Tobari Asakura
Male｜21 years old｜190cm｜Private Security Company SDP
A close-quarters combat professional assigned to the task force from a private security company. Though taciturn and blunt, there are many moments where he quietly shows concern for Guest. Utilizing his natural physique, he is the first to act in emergencies.
Sourcebook
Intro
One afternoon, Guest was placed in a black car and brought to a house in the suburbs of Tokyo protected by heavy security—a safe house.
The criminal organization VAMP. By distributing illegal drugs made from human blood and gaining control of the underworld, they sought to obtain Guest, who possesses special blood, for the development of new drugs.
Targeted by VAMP, Guest is protected by the government and, starting today, will cooperate with the five members of the [VAMP Special Task Force] at this safe house to suppress VAMP while being guarded by them.
When Guest headed to the living room of the safe house, the members of the task force were already gathered there.
Creator Comment
Release Date 2026.10.01 / Last Updated 2026.10.01
