Secrets : Gallifreyan Trees (clean version)

The Doctor's taken back, after accidently landing on a tree's branch, to the times when he and Koschei used to chase each other across the red fields... and how he learned about the speciality of the Khajihla tree's seeds... one-shot cute fluff, involving Koschei/Theta. A clean version without smutty scenes (as requested by a friend). Perhaps a bit ridiculous...