Sci-fi, seme-focused. No transmigration, no rebirth. The age dynamic is undecided, and the pairing is undecided. The main character is an idiot with a short temper, badly in need of being disciplined and trained. His personality will incorporate traits from characters I like, so please don't project your own interpretations onto him. Let's let the plot race through the boundless universe like a horse with a broken rein.
Arthur??? Pandora??? , I want to know the properties,,,,