Page 5, I am feeling great similarities between protag-kun here and myself.
Page 15, this manga is rapidly endearing itself to me. (Using tools instead of your bare body is lame though, it's an excellent medium for transferring soap)
Punished for what, something that's likely legal in this world? We don't even have the "How does this Japanese person not find slavery disgusting" thing to fall back on in this series, really, because it sounded like this guy got isekai'd TO Japan. His new reincarnation is just a homecoming to his original world, with its common sense. Earth was probably the weird thing to him.
Tho he must have seen it as normal in this world too since he referred to himself as a Corporate Slave, thus making him accommodated to the idea even with the change of culture.