Sowoneun Mwodeun Iruoejinayo?

About this title

The protagonist, Song Min-kyu, who is cultivating a garden alone, is increasingly facing difficulties while balancing his studies. At this time, a girl named Baek So-eun suddenly appears! She acts on her impulses and speaks loudly, but she doesn't seem to be a bad person. Min-kyu finds it strange that he feels both annoyed and yet pleased by her presence. What kind of relationship do these two have?