Arknights: Black Triangle

(Self-defined protagonist and OC character) (Main plot changes) Black Triangle Security is here to serve you. The company is committed to providing every customer with affordable security services. Whether it is escort, bodyguards, security dispatch or cross-enterprise personnel cooperation, you can choose the one that best suits you based on your economic conditions. In addition, the variety of service types is one of the reasons why you should choose us - although we are a security company, we do not only provide security services. Choose Black Triangle and be safe without worries - as your security assistant, we are waiting for your visit.