Nayuta

Nayuta is a normal school girl, until she meets a young boy named Kiro trying to help his sick mother. Nayuta takes them to the hospital, but there Kiro's mother vanishes without explanation and Kiro runs away. Later that night Kiro shows up at Nayuta's house and shows her his psychic powers, enabled by a mysterious tiara he wears.

(Source: Anime News Network)

Included one-shots:
Volume 1: Kim no Yuurei
Volume 2: Kyouryuu no Ehon
Volume 3: Sepiairo shita Mikazukigata no...