Following the first teaser for his upcoming single 'Seasons of the Heart', singer�Seo In Guk�has embarked on a teaser spree with his newest teaser!

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Seo In Guk will be making a comeback with his first Korean music release in 3 years this coming March 8. After his first teaser, a 'prologue', and his second teaser, a 'memory #1', many fans speculate a series of teasers to follow.�

Stay tuned for Seo In Guk's return with 'Seasons of the Heart'!