Hinata Omori
Mio's younger brother. [Spoiler] Later in the manga, we actually know that Mio and him aren't blood siblings, they're not even related to each other. [/Spoiler]
Mio's younger brother. [Spoiler] Later in the manga, we actually know that Mio and him aren't blood siblings, they're not even related to each other. [/Spoiler]