Mr. Harbor Harem Regrets

Short Story! ! It Must Be Short. Thank You, the Shorter the Better! ! About 80,000 Words! !

Is There a Male Protagonist Who Treats the Female Protagonist as a Plaything on the Surface, but Actually Loves Her Deeply?

Is there any male protagonist who treats the female protagonist as a plaything on the surface, but actually loves her deeply and even secretly pokes jealousy? He is shorter.