official japanese site :
https://viewer.heros-web.com/episode/316190246923581504
chapter 's title : 拷悶 ~Unschuld~
Unschuld = innocence , virginity .
page 13 : he actually says : あの世で先王たちに詫びろ = in the other world , apologize to the previous kings .
page 14 :
- rin : oi , buta yarou / pig bastard .
page 15 :
- rin : ... are you trying to imitate the humans-sama ?
page 16 : henta! logics : you can shove any big objects inside the small "holes" of the characters , lol .