Sonzai ga Nakunaru Kusuri ～Donna Koto Shitemo Daremo Anata no Sonzai ni Kigatsukanai to Shitara…. Anata wa Nani o Shimasuka? | Existence Erasing Drug～If no one will notice you wherever you are...what will you do?
Kono Iyarashii Ekitai wa Nan desu ka? | What is this Nasty Liquid? (Kono Subarashii Sekai ni Syukufuku o!)
