Actor Yoon Si Yoon has grabbed the hearts of fans with his cute charms on the tvN drama 'Flower Boy Next Door'.

A sixty-photo set of the actor was uploaded onto an online community site showing screen captures of Yoon Si Yoon's adorably quirky facial expressions.� The range of expressions including him smiling, laughing, crying, and just being his character's zany self has left fans smiling from ear-to-ear.

Catch 'Flower Boy Next Door' every Monday and Tuesday at 11 PM KST!

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