I Married My Sister-in-law This Time - Episode 13

Reborn on her divine selection day, Ella, a fire elf princess, escapes her tragic past with water god Chiron, who also reincarnates to marry her sister Leah for a Griffin. Instead, fire god Leon chooses Ella firmly. As Chiron’s scheme collapses, Ella discovers her holy fire bloodline and conceives a legendary Phoenix with Leon.