Date or Kill: Himitsu no Matching

Ayame, a top-notch assassin who has lived 25 years without anything such as romance, is convinced by a colleague to register on a dating app, while hiding her true identity! She ends up matching with none other than her next target: Murai, the ruthless and coldhearted young boss of a yakuza group...!? A covert love comedy where everything ends if her secret is exposed!! (Source: Square Enix, translated)