Everyday life has changed ever since new bugs replaced human men. Sex was seen as less taboo and women felt more comfortable with their sexuality. Due to this, mother-daughter bonding has gotten much more intimate (new bug world) (see comment for extras)
500 followers bonus comic: The Gang Try to Stop Chiaki Freestyle Rapping About the Endocrine System (Technically I'm only at 497 but I've had the comic almost ready for ages and I can't wait any longer)