Book Shortage. Looking for a Book on Immortality for Girls [Please]

1. The female protagonist should be strong and motivated! 2. The female protagonist should not be silly and sweet!!! 2. The male protagonist should not be licked to the point of "dementia" (it is best not to be a dog licker) 3. Each character has his own independent thinking and his own character characteristics!! 4. Do not abuse or torture.