Isekai de Kojiin wo Hiraitakedo, nazeka Darehitori Sudatou to Shinai KenIsekai de Kojiin o Hiraita kedo, Nazeka Dare Hitori Sudatou to shinai Ken; 異世界で孤児院を開いたけど、なぜか誰一人巣立とうとしない件; I Opened an Orphanage in Another World, but for Some Reason No One Wants to Leave.; I Opened an Orphanage in a Different World, but Why Doesn't Anyone Want to Graduate?; 이세계에서 고아원을 열었지만, 어째서인지 아무도 독립하려 하지 않는다; 在异世界开了孤儿院，但不知为何没有一个人想离开; Как открыть приют в другом мире!

Masatsugu was brought from another world in a hero summoning and ended up being part of the lowest possible caste. Awaiting this boy, who possess nothing but elementary skills, is managing an orphanage full of beautiful girls! But, his annoying days are just starting as he finds the building in ruins, and he also has to pay off the huge debt the former director left! And that’s not all, he has no time to rest from all the scumbags threatening the orphanage! Will Masatsugu and the orphans be able to protect their precious home?