On-Off Romance summary:

In the MMORPG world, veteran player "Minseo" helps newbie healer "Angelica01" fend off trolls. Their friendship blossoms, leading Minseo to suggest a real-life meeting. However, he's surprised to find a tall, intimidating young man claiming to be Angelica's brother, "Jin." Strangely, Jin looks just like Angelica! Can Minseo navigate his feelings as he moves between the virtual and real worlds?