Tensei Shita Isekai de Kaseifu ni Narimashita!
I Was Reborn as a Housekeeper in a Parallel World!·転生した異世界で家政婦になりました！
A high school girl dies in a fire and is reborn in a parallel world, where she works as a housekeeper for a wealthy elderly couple. She applies housekeeping skills learned from her all-male family. The couple later move in with their son, whose home is revealed to be a royal castle. The elderly couple are the former king and queen, now retired, and their son is the current king. The story explores how her housekeeping abilities might influence the kingdom.