The Simple Life of Killing Demons - Chapter 7Book 1: : Magic Replenishment, Short-Tempered Satsuki and the Strange Meiko-sensei

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Joseph Knox, one of the most prolific and well-known serial killers on the planet.A person considered so demented and manic that even trying to reason with him was believed to be a waste of time. A man so far gone that he seemingly didn't deserve any pity even on his deathbed.So why? Why would a man like him receive a second chance? And why did the world around him seem so familiar?Disclaimer: AU when it comes to some parts of Madara's plan(I'll try to make it make sense at least), and aliens don't exist in this world

In previous life, she was ignorant and naive. She was a “villain” owning a horrible reputation ever since childhood. She was framed by her friend, betrayed by her beloved, and ended up alone and died miserably. When she was reborn in the 1980s, she vowed to recognize the true nature of the people around her and work diligently. In this life, she would never let her younger sister die for her again. She will be an excellent female soldier, a pious daughter, and a qualified elder sister.Let's watch how she goes all in, saving her sister from great distress. She will turn the tide and lead her family through the reform and opening-up, striving for prosperity and a better life.

I gave them my everything.My time… my strength… my heart.I trained while they slept.I smiled when they laughed.I stayed… even when it hurt.And what did I get?Nothing.They looked at me like I was pathetic.Like, I didn’t belong.Like I was… less.But I... the naive person I am, continued trusting them.They told me to act like trash, fine—I became trash.They told me to act like a scumbag, fine—I played the role.However...One mistake, one single moment...That’s all it took.And they threw me away.But now…Someone else woke up in my body.A stranger, a man who doesn’t know the pain I suffered, but wears my face.Let’s see what he does with it.Because me?I’m done with this life, so to the soul who took over my body...This is your mess now…'Gray'.