Seventies Sweetheart: From Breakup to Billionaire - Chapter 27: The Road Ahead Must Be Walked Alone

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

So, apparently I'm Albedo now...And to make things worse, I'm in the Marvel universe, which one exactly, I've got no fucking clue.Fuck man! Why do I have to be in the body of a inverted person! Do you know how attention drawing white hair and red eyes look like in the real world?! It's been like what, the 4th person who asked me if they were natural?!...I gotta dye this shit black, like my original hair was...

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates