Hanazuki: Full of Treasures
Only in Unicorn Dreams
S1 E9:
Hanazuki can't get her friend Sleepy Unicorn to tell her why he seems so unsettled since Kiazuki arrived, but then his dreams begin to give him away. Hanazuki watches as Sleepy's magic horn reveals his past by projecting holographic dream images while he sleeps, and after Sleepy awakens he flees to protect his secrets.