Crossover. Evangelion post-canon. This is a translation from Russian, link can be found at the bottom of the page.

There are times when you should refuse to fight.

In over his head, past his depth, Shinji Ikari has spent the past five years fighting giant monsters in death battles across the galaxy. Aided by his space turtle adoptive father, the alien tsundere with a shotgun, her mad scientist mother, and his giant robot mom. Story of his life.

There are many ancient secrets in the Universe: humanity was lucky enough to run across two of the oldest.