[虹色電流 (ニジデン)] 若妻・岡崎教授を教え子が寝取る本+会場限定ペーパー (東方Project) [DL版] , [Nijiiro Denryuu (Nijiden)] Wakazuma Okazaki Kyouju o Oshiego ga Netoru Hon + Kaijou Gentei Paper (Touhou Project) [Digital]