The Bird I Hid Was the Fleet Commander

Bullied as a useless F-rank lop rabbit, Nora secretly hides her rare A-rank moon-healing bloodline. Dumped by her fiancé for her stepsister, she nurses a burned little bird back to health—never guessing he's the missing S-rank Phoenix Fleet Commander, worth a hundred billion credits. As his power returns, the legendary firebird will burn to ash everyone who ever broke his little rabbit.