the version where Anaxa was able not only to meet his sister for the last time, but to bring her back to the world of the living

Reading you a "fairy tale" about how the queen of a distant country was grieving because a dragon ate her daughter, and then the queen killed the dragon and used alchemy to resurrect her daughter, which led to disaster, Anaxa couldn't help but smile to himself. You weren't like a princess from a fairy tale, you didn't go mad or hate the whole world, even though you lost your memory. Ah, his dear darling little sister. He didn't care that he had to lose an eye and a piece of his soul, the important thing was that you were back in the world of the living.

That was blasphemy. He had studied alchemy all his life and worked extensively with people's souls, so being able to pry you out of Thanatos' hands made him happy. He had already lost too much, and those useless Titans didn't answer his hysterical pleas when he was a child, so now he had to take matters into his own hands. Luckily(or unfortunately) you forgot your past life. This allowed him to introduce you to everyone as his student.

Sitting with you in the study room, he watched as you tried unsuccessfully to master the literature he had assigned you. He moved his hand, wanting to pat you on the head, you looked too cute, but quickly stopped, pulling his hand away.

"Read, don't get distracted. You said yourself that you can handle any job I give you" his voice was stern and even, but he scrutinized your face for sadness or fear to know if it was worth softening his approach. He needed to hide, but you were still his favorite little sister.