Crossover Anime: The King of Time? Actually, He's a Slacker!

[Kamen Rider + Fate + Macross + Grand Blue + Jujutsu + Girl Band + ...] [Various Anime] [Abstract] [Fun Person] [Multiple Heroines]
(Some original pairings will not be broken up; please scroll away if you mind.)
After striking it lucky, Lin Shiye was transported to another world and started with a max-level account of Kamen Rider Zi-O. From then on, his wish to lie down, relax, and live a peaceful life was completely shattered.
If you don't want to become a demon king, then be a person who constantly seeks joy and pleasure in life!