Kishidan no Kinkoban: Moto Keiri OL no Watashi, Kishidan no Osaifu wo Nigiru Koto ni Narimashita

Kaede, an office worker who has been transported to another world, is attacked by a monster immediately after the transfer! However, she is saved by Franz, a refreshing knight who happens to be passing by, and she ends up being accompanied by Franz to the Western Knights, of which Franz is a member. As she gets to know Franz better, she discovers that the Knights are not good at managing money...

(Source: Flos Comic, translated)