@Porg
Honestly, I'm not sure anymore.
I have been looking around and some places say the next one is the last, while others say there are 29.
I haven't read the raws so I'm just making a poorly educated guess atm.
But the fact that some say the next one is the last isn't a good sign at least.
the fact I can´t find any more chapters after the 3rd volume would suggest it might be :/
@Flyingpantsu
No, being a futa is an attribute of the MC´s avatar, the scar of graves.
Robots, on the other hand, are genderless most of the time.
But you never know, it could be...