Onegai My Melody

Kuromi escapes from Mariland with the Melody Key, a magical tool that grants corrupted wishes and turns people's hidden desires into nightmares. My Melody is wrongly blamed for the theft and sent to the human world to recover the key before Kuromi can gather enough dark power to endanger both realms.

My Melody befriends Uta Yumeno, a middle school girl struggling with family, friendship, and an unspoken love. By using the Melody Tact to restore people whose dreams have been twisted, the two collect the notes of awakened hearts while Kuromi pursues a painful rivalry rooted in memories My Melody barely understands.