Ch.4 was so effing cute
I remember reading the twincest 3p one haha memories
Here:
http://www.mangago.zone/read-manga/futouhen_sankakkei_no_teiri/
it's actually just the same thing
The overall plot was spectacular and unique but the last chapter was ehh ╮( ̄▽ ̄)╭ like are ya'll just gonna replace them like that.