Female-dominated society: A beautiful boy from the countryside near Tokyo

[Female-dominated world + does not affect reading] + [Mature older sister] + [Skin as white as ice and bones as jade] + [Succubus]
This book is also known as: I'm only responsible for saving, not cleaning up the mess.
Reborn into a matriarchal world, Hoshino Makoto obtains the Righteous Handsome Boy System, also known as the Salvation System.
Day 1 Check-in: Bright Eyes
Day 2 Check-in: Body Fragrance
Day 3 Check-in: Ice Skin
Day four...
Hoshino Makoto looked at the mature and intelligent older sister in front of him, who was about to take him home...