[渚のヨーコ (白石なぎさ)] エロ同人誌に絶望した! (さよなら絶望先生) [DL版] , [Nagisa no Yoko (Shiraishi Nagisa)] Ero Doujinshi ni Zetsubou Shita! (Sayonara Zetsubou Sensei) [Digital]