It's a yaoi manga about a dark evil lord who took in a slime(?) that turns out to be the seme.
Here you go. :3 http://www.mangago.me/read-manga/kami_tori_yawa/uu/0a299d0d8604e5d65d1a1e05ea2c1d34_chapter-5/pg-1/
Thank youuuuuuu ヾ(❀╹◡╹)ﾉ~
It's a yaoi manga about a dark evil lord who took in a slime(?) that turns out to be the seme.