The broad templates I've noticed are...
Chinese Webnovels -> Underestimated, Ruthless, OP MC, Peanut Gallery, Arrogant, Psychopathic, Wanderers, Nationalistic (In Modern Times Settings)
Japanese Webnovels -> OP MC, Dense, Misunderstandings, Over Polite, 1-Sentence Paragraphs, Slaves, Sex Slaves...