First Demonic Dragon - Chapter 779: Grandpa Abaddon!

When Demon Lord, Syryn Nigh'hart, found that he had gone back in time and turned into his child self, he had assumed to do better with his second life. Commit smaller crimes, keep away from burning villages and inciting other demons, contribute to society, abide by most laws, you know? But then the hero, his old friend, had to fall in love with him and ruin his plans.

Goddess, I cannot take responsibility for your champion, Rowan Windwalker, getting bent. Please don't strike me down!

#Gold Tier winner of WPC (forgot the contest number)#y'all this shit gay so don't go walking in expecting it to not have men sucking faces#N̶o̶ ̶h̶a̶r̶e̶m̶(my dumb self thought harem means mc marries many lovers)#Reformed and immature demon lord (but he's nice now okay. He isn't psycho.) #Hero is an extremely patient man for putting up with the demon lord's nonsense # MULTIPLE POTENTIAL LOVE INTERESTS #Slow Romance#Slow like you have to wait for around 40 chapters (smut too) before it starts #Patience is needed #Lots of it#alternate day updates because I have to study#english is neither my first nor second language so bear with me#The cat is not the ML ಥ‿ಥ some of you are getting the wrong idea.

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

In an era when the power of Fire Magic was considered to have reached its limit, one girl began researching nuclear fusion.

In a morgue filled with the bodies of Uchiha clan members, he opened his eyes...A mysterious voice echoed in his ears...With a bewildered expression, he muttered, “Save the Shinobi world? What does that have to do with me, a mere Uchiha survivor?”