I - I'll get it back for you one day

"See? I told you it was real!"
Four year old Hwang Hyunjin is on his tippy toes, sporting the most victorious smirk as he hands his mother the "engagement ring". His engagement ring.

Or: two beautiful boys grow up and figure out life and love together over the span of two decades.
Also, Lee Minho is the cutest little thief in existence.