Consider Bringing 'Shinobi no Ittoki' Into This Work or Adding References to It
Consider also adding Shinobi no Ittoki, or Itooki the Ninja, into this crossover or at least including references/shout-outs to it. Sword Art Online also has an Iga clan; Kotaro and Isuke of the Fuumaningun mistake Kirito as a potential one of its members in Progressive volume 1's 'The Reason for the Whiskers' interlude.