Oni Twins. join list: MONSTERVRAG (687 subs)Mention History 9rala.tumblr.com/ Artist - Older sister’s name is “Sekirara” and younger brother’s name is “Aozame”. Oni Twins join list: MONSTERVRAG (687 subs)Mention History 9rala tumblr com/ Artist - Older sister’s name is “Sekirara” and younger brother’s “Aozame”