I do think the comments of people getting creeped out and/or offended are a bit funny. You're reading a manga work by a Hentai artist. People just dive in head first without seeing who the author is and then they act surprised, it's just kind of comical is all.
Next step is various power armor suits made for the lolis using that biotech for the outer part. This way, they can be the perfect models for all that drawing he isn't doing, no matter what kind of body types he needs.