sumone at soompi said it's "YONNA's EFFECT" hahaha
like when BB boys saw her pic on Manwon Haengbok the boys went sooo hyper then that also happened with FT.Island boys hahaha
well i cant blame yoona she is super gorgoeus in real person
my fren who oredi met her in person said she's really2 pretty and friendly, her skin gah sooooo smooth!!!!!!!!!!!!!! like baby skin hahaha