What happens when a lethal assassin realizes the only way to save his sister is to master the art of dating? Gero is a professional killer who has spent his entire life in the shadows, completely disconnected from social norms or the concept of love. When his clan issues a brutal ultimatum to marry and produce an heir or see his sister forced into a dark family duty, he is pushed into an unlikely alliance with Kinosaki, a genius marriage swindler he was originally sent to kill. Marriagetoxin masterfully balances high-octane action with a surprisingly heartfelt romantic comedy vibe. The pacing is relentless as Gero navigates lethal underworld battles while simultaneously trying to survive the terrifying minefield of modern dating. You get incredibly stylish fight sequences paired with genuine character growth as Gero discovers that human connection is more complex than any assassination contract. It is a wild ride that flips the typical hitman trope on its head, offering a unique blend of drama and humor that keeps you hooked from the first page. If you are looking for a series that delivers both top-tier choreography and a charmingly awkward romance, Marriagetoxin is an absolute must-read that refuses to slow down.

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