Love Is Strong in Autumn

He is a returning trainee. In order to make himself strong enough, he returned to work in his sister's company. He has protected her in the entertainment industry for four years. She has become a popular movie queen, but she still doesn't recognize him. Later, a betrayal in a relationship made her feel depressed and she no longer had any expectations for love. But he came with deep feelings, just to not repeat the regrets he had four years ago.