[Top gong + quick transmigration + System + past and present lives + devoted to each other] The first world isn't very well written, so you can skip straight to the second.
World One: Sharp-tongued, innocent designer X flirtatious, overbearing actor CEO. Before the big shot arrived: "No one is worthy of wearing my designs!" Afterward: "I love it when you call me baby." From head to toe, everything he wears is custom-designed. World Two: Princess disguised as a man X cold-on-the-outside, warm-on-the-inside general. Before: "How dare you! Who said you could touch this princess's feet?" After: "Do you have a third or fourth lover? You haven't even kissed me today~" World Three: Cool, elite general X orphaned first love adopted by another family. ...