Neene

A mysterious entity who appears to be a toddler about two years old who has an uncanny resemblance to Rikus dead aunt Amane. Neene was hatched from a coccoon at the start of the story and grows at a rapid rate experiencing a growth spurt occurring each time she uses her powers in a Kanshu fight. Neene calls Riku papa and Rena mama. As the series progresses she demonstrates various powers such as turning Riku into a Kanshu after he is wounded in a fight and creating a giant ball of light that disintegrates anything inside it. She is eventually revealed to be a Kyuki a queen Kanshu who receives the memories stolen by other drone Kanshu and she grows as she absorbs more memories. Source: Wikipedia