Help pleAse ;;v;;

I wanna sreach this yaoi manga again ;; v ;; it a popular one :

So the uke is the teacher he live in japan but one day the headmaster want him to take care a tranfer student , he not a Japanese and don't know how to speak Japan , and the first day he scare of technology because where he live , is a jungle and they live peaceful and not care so much about the outside . Oh and the seme is super handsome '! Hope you guy can reminde me what manga name it is again ;;; v ;;; thank you so much for any lovely help