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and ref to this https://www.google.com/imgres?imgurl=https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id%3D1417481788578615&imgrefurl=https://www.facebook.com/allukillua/posts&h=512&w=512&tbnid=pfyMMdJZCnzw6M&q=killua+and+alluka&tbnh=131&tbnw=131&usg=AI4_-kRHcKXP7HRgAxXoiib_h0FkBpJnFw&vet=1&docid=AwXPW6Zl3yC0GM&client=tablet-android-samsung-nf-rev1&sa=X&ved=2ahUKEwit2_qHrdbsAhXHeisKHVq6Ae4Q9QEwA3oECAoQCQ