[森宮缶 (森宮正幸)] しまむーとぽかぽかになる本 (アイドルマスターシンデレラガールズ) [DL版] , [Morimiyakan (Morimiya Masayuki)] Shimamu to Pokapoka ni Naru Hon (THE IDOLM@STER CINDERELLA GIRLS) [Digital]