Yeah I couldn't read these past two chapters without thinking "Man if a bus on a school trip left somewhere without doing a headcount whoever was in charge would be in such deep shit" lmao
She's not working to keep them fed or housed she's working to buy a bed and pair rings, that's why Kase wants her to quit or at least work fewer hours.
Literally the day before both Kase and Mikawa told her she was running herself ragged and to take better care of herself and she even passed out in the middle of dinner. Then, even though she has a prior arrangement and the day off, she goes in to work anyway? She doesn't work for some black...