Deku Princess

The Deku Princess is a character in Majora's Mask. She is the heiress to the Terminan Deku throne and resides in the Deku Palace.

Biography
Upon seeing the swamp filling with poison water, she headed to the Woodfall Temple with her friend, the monkey. However, she was captured by Odolwa and put into a room in the entrance of the temple. When her absence is noticed, her father accuses the Monkey of abducting her, and goes about punishing him.

Eventually, Link gains access to the temple and defeats Odolwa. She finds the Deku Princess in a chamber near the exit of the temple and rescues her, returning her to the Deku Palace by storing her temporarily in a bottle. When the Princess realizes what her father has done, she is furious, and, upon returning to the Deku Palace, she demands the Monkey to be instantly released.

Majora's Mask manga
In the, she appears to have a crush on Link in his Deku form. The Butler says Link looks like his son in that mask, and that the princess was in love with this son.