Bubble Gum

I Will Become a Better Person and I Won't Be Your Burden (1x12)

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Haeng A and Ri Hwan run into each other on the street after the breakup. Heang A confesses to Ri Hwan that she is trying hard to become a better person and asks him to wait for her until then. While Ri Hwan is taking care of his mum, she apologizes to him for making him suffer because of her selfishness, and tells him to just do whatever will make him happy.