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At the end The Pied Piper of Hamelin, the young girl Maria talked to was her daughter/granddaughter/descendant.
It is possible Maria was pregnant with the Teacher’s child shortly after leaving her world.- After giving birth to her child, she looked after them until they were old enough to care for themselves.
- She gave her child up for adoption, hoping they would be adopted in a loving home. She continues to watch over them. This implies that The Traveler gave Maria immortality.
Season 2 theories
If there's a second season, several CLAMP character will make cameo appearances.
- It probably reveals where Kiyako got her doll, presumably from Watanuki.
- Tsubasa Ni, Fai, Kurogane, and White Mokona will appear in one of the episodes, visiting the Brothers Grimm’s World.
- One of the CLAMP characters in one of the episodes will resemble one of the main characters from CAMP’s previous work.
Season 2 will unveil the intriguing journey of how Kiyako, once a kind-hearted individual, became the heartless and manipulated person she is today.
- If season 2 has some returning characters from season 1, it will reveal where a young Kiyako met Watanuki in her dreams. She wanted a friend to talk to about it, so he gave her a sentimental doll with a price.
- The price she is willing to pay is her kind heart and caring personality, which result from the false personality she once had.
- The price she is willing to give up is her sanity, which results in her seeing her loved ones as playthings.
- The price she is willing to give up is love, resulting from her cold personality.
Scarlet’s past will be revealed in the season 2
- It might reveal Scarlet’s past and how she became a serial killer.
- She becomes one from being abused by her family, siblings, and ex-boyfriend/girlfriend.
- She kills someone out of self-defense until she becomes obsessed with killing random people, whether they are good or bad.
Season 2 will introduce more fairy tale stories with a dark twist
- Rumpelstiltskin
- Mary's Child
- Snow White
- The Three Little Men in the Wood
- The Water of Life
- The Wolf and the Fox