I had a hard time choosing a single love interest for MC. So I decided that he now has 2 love interests, BTW this is still not a harem. I only added only one more and nothing else.
Love Interests:
-Rumi Yeo (I feel sympathetic towards her and also childhood friend. MC protected her from troublesome situations and started to fall in love with him since then) *Spoiler*
-Mary Kim (Similar hobbies and a close friend since childhood)
I hope you don't mind having 2 love interests.