(News Focus) Upcoming television series brimming with returning heartthrobs

By Woo Jae-yeon and Youn Go-eun

SEOUL, June 13 (Yonhap) -- Forget about Song Joong-ki, here comes a trove of hot South Korean celebrities vying for the spotlight.

In the wake of Song Joong-ki's sensational popularity in "Descendants of the Sun" i