騎士団の金庫番 ～元経理OLの私、騎士団のお財布を握ることになりました～, Safe Keeper of the Knights

Kaede, an office worker who transferred to an Isekai, is attacked by a monster immediately after her transfer! However, she is saved by a refreshing Knight named Franz, who happened to be passing by, and ends up accompanying the Western Order of Knights to which Franz belongs. As she gets to know Franz better, she discovers that the Order of Knights is not very good at managing money――?