Yun Si Yun, "I Don't Take My Hands Off a Book" Study King

Yun Si Yun revealed his addiction, giving himself the nickname 'study king.'

Actor Yun Si Yun revealed the incident of how he gained the nickname 'Study king Kim Study.'

In SBS "Strong Heart" airing tomorrow, Park Shin Hye revealed a fact about her current acting partner, Yun Si Yun.

Park Shin Hye said, "Yun Si Yun doesn't take his hands off a book as if he's addicted. If he learns something, it's always through a book and he learns it ahead. So we gave him the nickname 'Study king Kim Study.'"

Yun Si Yun's bookshelf at home, containing 1500 books, was shown as well.

Phtoo Credit: SBS