Even during his military service, Super Junior's Leeteuk hasn't forgotten about his fans. On the next episode of Strong Heart, Leeteuk's most recent handwritten letter will be shared with fans and viewers everywhere. This isn't the first time Leeteuk has written to express his gratitude and how much he misses work and the fans—when he was only a month into his military service, he wrote this letter, apologizing for being away and expressing his love: It's so sweet to see a letter in his handwriting! Will you be watching Strong Heart to see what he says next? (Source: enewsworld.mnet.com)