Hah seems the table's have turned, when in doubt there's always the imouto option xD. Also seems Onii-chan's been quite bold towards his Imouto these past chapters lol, seems Mihari's gonna overheat with the sudden turn of events.
Aww too bad I really want to see him getting ara-ara'd by those lolis so bad! (especially Miyo, she's indeed the best girl)
Their expression and words make me nut though