Follow the Breadcrumbs... Make a Trail

This is a huge cop out but oh well.

Ariel Lin--> starred in the Itazura Na Kiss Taiwanese adaptation It Started With A Kiss--> which had a Korean adaptation Playful Kiss--> which starred Jung So Min--> who also starred in D-Day--> with Kim Young Kwang--> who starred in Sweet Stranger and Me--> with Lee Soo Hyuk--> who also starred in Vampire Idol

Create a trail from Room No. 9 to Miracle in Cell No. 7

Nirvana in Fire--> has Leo Wu in a supporting role--> who also had a supporting role in Whirlwind Girl 2--> which starred Ji Chang Wook--> who had a supporting role in Hero--> which starred Lee Joon Gi--> who starred in Time Between Dog and Wolf--> with Nam Sang Mi--> who starred in Chief Kim

Create a trail from Buang Hong (2017) to Fifteen Years to Wait for Migratory Birds

Money Flower--> stars Jang Hyuk--> who starred in Fall in Love--> with Li Ying--> who had a supporting role in Princess Agents--> which starred Kenny Lin--> who had a supporting role in Scarlet Heart--> which starred Cecilia Liu--> who starred in Sound of the Desert--> with Hu Ge--> who starred in Nirvana in Fire--> which had Angel Wang in a supporting role--> who also had a supporting role in Rise of the Phoenixes

(I'm pretty sure I made it way more complicated than it was. xD)

Create a trail from Secrets of the Three Kingdoms to Descendants of the Sun

Untouchable--> stars Go Joon Hee--> who will star in Rhapsody of a Summer Dream--> with Hans Zhang--> who starred in Boss & Me--> with Zhanilia Zhao--> who starred in Journey of Flower--> with Wallace Huo

Create a trail from Jin to Buang Banjathorn (This should be fun.)