Complete Monster: Jinsaku Ajo is a former Japanese Imperial Army officer turned Corrupt Corporate Executive. He forcibly extracts the object-animating gel out of humans and has no care for human lives except as resources, eliminating anyone who stands in his way regardless of them being harmless civilians, children, or elderly and condemning others to a Fate Worse than Death just to feed his monomaniacal obsession with creating working Ridiculously Human Robots. He uses rock star Miho Utsuse in his experiments, and the "Miho" seen on stage is a robot that Miho controls from a distance a process which is extremely strenuous to Miho's health. He also feels up the Robot Girl version of Miho, cutting her artificial skin, while wearing a leather "robot" mask and calling her his "son".
What Do You Mean, It's Not for Kids?: Do NOT be fooled by the show's premise of an android girl seeking to make 30,000 friends in order to become human, and think this is meant for the kids. Seriously. Don't. The series gets off to a family friendly start, then rapidly shifts into dark territory. Try not to not to get attatched to any of the characters especially Sakura, 'cuz a lot of 'em are gonna die. In fact, it borders on Kill All Humans. And you don't even wanna know about Ajo. If Youtube comments are anything to go by, a disturbing amount of people have watched this when they were kids. To be fair, they mostly loved it.
Woolseyism: During the massive infodump in the 14th episode, Wakagi uses the word "omoi" — Japanese for "thoughts", "feelings" and so forth — to describe the substance Ajo referred to as "Gel". The Viz translation uses the German word "Geist" ("mind", "spirit", and/or "ghost"), which helps get the point of it being Life Energy across.
, especially once you realize it's being sung by Sakura's VA, which alludes to just how much she's hurting on the inside.