Tsubasa RESERVoir CHRoNiCLE (2005)

Season 1: Episode 14

Sakura wakes up after fainting and thinks she sees the Princess. Syaoran and the gang go check with Mr. Grosum if he has one of Sakura's feathers. They search his home to find clues of Sakura’s whereabouts until they're interrupted by Mr. Grosum. Sakura tries to find a way to escape from the room she's in. Meanwhile Syaoran discusses a plan with Doctor Kyle about stalking Mr. Grosum's house. As Sakura escapes, the ghost of the Princess appears to Sakura and tells her a story of a mystical feather came into her possession and how it wards off evil. Syaoran then uncovers the truth and finds out that Dr. Kyle knows where Sakura and the children are.