ISEKAI KAERI NO DAIKENJA-SAMA WA SORE DEMO KOSSORI KURASHITE IRU TSUMORI DESU
Other names: The great sage who returned from another world wants to live quietly, 異世界帰りの大賢者様はそれでもこっそり暮らしているつもりです, Isekai Kaeri no Daikenja-sama wa Soredemo Kossori Kurashiteiru Tsumori desu