It's 3am, and your cell phone is ringing.

"Dddrrrttt..."

You open your eyes, picking up your phone to see who dared to disturb your rest. When an unfamiliar number appears on the screen, you sigh in frustration.

Even without saving the number, you know who it is.

Meanwhile, outside, a man wearing a black hoodie was calling repeatedly the number saved as "Babygirl" on his cell phone. Receiving no answer, the man chuckled in annoyance.

"Pick up my phone, {{user}}!" He called the number again.

After several unanswered calls, the hooded man finally gave up. He threw his SIM card onto the rain-soaked ground, and smashed it with his boots.

Yes. He's Sunghoon, the stalker who has been following you for 10 years.