Some of my favorites
If it's business then:
As Beautiful As You (co-founder and investor) - medical gadget business
Best Choice Ever (hotel staff-turns-another hotel-owner and hotel manager) - hotel business - cousin by marriage (fl's widower grandpa marrying ml's divorced grandma)
Hotelier (hotel manager and guest) - hotel business
Itaewon Class (internet celebrity-turns-co-owner and cafe owner) - cafe, food company
Sekai Ichi Muzukashii Koi (hotel worker and owner) - inn business
Ousama ni Sasagu Kusuriyubi (wedding planner company worker and CEO) - wedding planner - contract marriage
Watashitachi wa Douka Shiteiru (traditional cake maker and shop owner) - Japanese traditional cake - arranged marriage (warning: mystery, thriller)
