Guardian Hearts-Power UP!

Hina

Secret-identity Guardian Heart Hina, tasked with Earth's protection, lives with Kazuya to keep her secret safe.

Kugimiya Rie

Chelsea

Obsessed princess/magical girl Chelsea seeks a fated husband, Kazuya, while battling a rival and her secret identity.

Ikezawa Haruna

Kazuya Watari

Unlucky guy who discovers girls' secrets and ends up living with all of them.

Sakurai Takahiro

Hime Satsuki

Shintani Ryouko

Maya Ooba

Runaway ninja, bound by clan traditions, she begrudgingly falls for Kazuya, her reluctant husband.

Araki Kae

Kurusu

Alien cosplayer Kurusu loves Kazuya, lives with him, and hates Guardian Heart for interrupting her confession.

Ishimura Tomoko