Seinen targets an older demographic (18+), often dealing with moral ambiguity, philosophy, and darker themes. These are the "prestige TV" of the anime world.
"Stay in Haruki’s room," his mother said. "Just for a few nights." shinseki no ko o tomari da kara hentai
It seems like there might be some confusion or miscommunication. The phrase you've provided appears to be a mix of Japanese characters and seems to translate to something that doesn't make coherent sense in English, particularly with the inclusion of "hentai," which refers to a genre of anime and manga that is adult in nature. Seinen targets an older demographic (18+), often dealing
Means "staying overnight" or "sleepover." This is a common plot device used to create a "forced proximity" scenario. Seinen targets an older demographic (18+)