Konkatsu Dead or Alive

Shirayuki and her friends attend a dating event on a deserted island, hosted by a marriage-arrangement company. It was supposed to be the perfect way to meet the man of your dreams while enjoying a vacation on a tropical island… but a known serial-killer has also escaped to this island…! She came to a deserted island to find love, but she finds herself fighting for survival instead…!

(Source: Shueisha, translated)