I am planning “UNDERTALE METTATON unofficial anthology” in Japan now !
The language is Japanese language only.
(But, I am planning to consign it to a specialized shop of doujin that is available for an overseas mail order.)
2016/06/19 COMIC CITY138 TOKYO
AUTHORS
Iwanashi
Mameo
Unao
Matsuto
LNNP
YUKIBLUE
Ao
Sato