Duality

When a new customer wanders into Yoona's bookshop, she feels she's found a kindred spirit. But what happens when she learns that like her, there's more to him than meets the eye? Will his unusual, and possible dangerous background bring them together or tear them apart?

This is my first time writing a fanfic and my first time sharing my writing. Comments and suggestions would be lovely but please go easy on me 😅