Honzuki no Gekokujou Koushiki Comic Anthology - Vol. 1 Ch. 9 - Sisters' Resonance - Fukino Tou

[MangaDex]

 

[WhimsiCat]

Should be arc 2 right after she became orphanage director since she's talking about chefs coming soon.

 

[meccaflare]

Should be arc 2 right after she became orphanage director since she's talking about chefs coming soon.

Yeah I agree, that's where I'd place it in the timeline