(C81) [影法師通訊協定 (飛天御姉流)] 僕は妹のわがままに勝てない (僕は友達が少ない) , (C81) [Shadow Sorceress Communication Protocol (Hiten Onee-ryuu)] Boku wa Imouto no Wagamama ni Katenai (Boku wa Tomodachi ga Sukunai)