I’m the guild receptionist, but since I don’t want to work overtime, I think I’ll just solo the boss 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

“It’s safe because it’s a desk job, super stable because it’s public work!” But what awaits Alina, who has become a guild receptionist, is a far from what she had in mind. And it’s all because of the adventurers inability to conquer dungeons! Having reached her limit, Alina sets out to defeat the boss herself, hammer in hand…