GUNSLINGER REPLACE is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Daniela is a top player in the crime VRMMO game God cops or Badassss. She plays an energetic gunslinger in the game, but in real life, she's Tani Miriko, a corporate drone OL who gets harassed by her female superior every day. And today she was again sexually harassed by her geezer boss——?
Witness flashy gun action! Get excited! The corporate drone OL's reincarnated outlaw life opens grandly!