Extra's Fate - Chapter 34: Dangerous

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

- Description from Novelupdates

Schiller became Batman’s teacher, a professor of psychology at Gotham University.On the first day, Bruce Wayne entered the psychiatric clinic.Schiller had to open the Meiman chat system and posted the first post: Batman asked me the meaning of life, how should I answer? It’s a hurry to wait online.Thanos: It is recommended to kill directly.Professor X: Don’t listen to the upstairs, I’ll use your mind-reading skills…Schiller Andel Rodriguez, a world-class master of criminal psychology, the most famous psychology professor at Gotham University, his students are both superheroes and super criminals, but he does not belong to any of them, Batman likes to call him “Professor”, Joker calls him “the coolest lunatic”, Scarecrow calls him “Arkham slipper”, and Nick Fury thinks he’s a “getter.”Be Batman’s teacher, Spider’s godfather, Iron Man’s psychiatrist, Schiller’s journey to American comics, starting with Batman at the beginning.[Other than translator’s site, all other sites have google translated content, beware. Don’t comment bad translation after reading other site content.]