6 results
I opened an orphanage in another world, but for some reason no one wants to leave.
Isekai 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
manga

From a caste based high school, bottom-tier Masatsugu Naomi is caught up in a summon of his class to a different world. However, as soon as they arrived the king said, "This guy is unnecessary because he only has clumsy skills " and it is concluded that he is to be forced to administer the orphanage, which no one wants to do. Unfortunately for the orphanage his skills were cheat skills that cause the girls to cling to him. In order to "defend" the girls that depend on him, he must operate the orphanage while overcoming the powerful people, authorities, and former classmates that surround him.

Leave It to a Teacher to Get Back at a Bully.
Ijime no Shikaeshi wa Sensei ni Omakase· いじめの仕返しは先生にお任せ
manga

An eye for an eye, a tooth for a tooth, a poisoning death for a poisoning death: this is the belief of Sakura Kayoko. If Kayoko, who has such beliefs, confronts bullying as a school teacher... The bullying will get a fair payback♡.

I’m Glad They Kicked Me From The Hero’s Party… But Why’re you following me, Great Saintess?
Yuusha Party o Tsuihou Sareta Ore daga, Ore kara Sudattekureta you de Ureshii. ……nanode Dai Seijo, Omae ni Otte Korarete wa Komaru nodaga?· 勇者パーティーを追放された俺だが、俺から巣立ってくれたようで嬉しい。……なので大聖女、お前に追って来られては困るのだが?
manga

Written off as nothing more than a useless bag boy, Mihama Ariake is driven out of the hero’s party he had been traveling with. However, his true strength is in his unlimited use of all extant skills, a power directly bestowed upon him by God—and it is God’s will that he use those skills to back up the hero’s party. Freed from that duty, he goes where his whims lead him, running into many surprising people and unexpected things along the way. Based on a wildly popular novel published by Square Enix, join Ariake as he and his invincibility carve out a new path! *Source: Manga UP! Global*

Isekai 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
novel

From a caste based high school, bottom-tier Masatsugu Naomi is caught up in a summon of his class to a different world. However, as soon as they arrived the king said, "This guy is unnecessary because he only has clumsy skills " and it is concluded that he is to be forced to administer the orphanage, which no one wants to do. Unfortunately for the orphanage his skills were cheat skills that cause the girls to cling to him. In order to "defend" the girls that depend on him, he must operate the orphanage while overcoming the powerful people, authorities, and former classmates that surround him.

Yūsha Party o Tsuihō Sareta Ore da ga
Yuusha Party o Tsuihou Sareta Ore daga, Ore kara Sudattekureta you de Ureshii. ……nanode Dai Seijo, Omae ni Otte Korarete wa Komaru nodaga?· 勇者パーティーを追放された俺だが、俺から巣立ってくれたようで嬉しい。……なので大聖女、お前に追って来られては困るのだが?
novel

Written off as nothing more than a useless bag boy, Mihama Ariake is driven out of the hero’s party he had been traveling with. However, his true strength is in his unlimited use of all extant skills, a power directly bestowed upon him by God—and it is God’s will that he use those skills to back up the hero’s party. Freed from that duty, he goes where his whims lead him, running into many surprising people and unexpected things along the way. Based on a wildly popular novel published by Square Enix, join Ariake as he and his invincibility carve out a new path! (Source: Square Enix)

Founding a nation in the different world for the sake protecting 1000 Homunculus girls
1000 nin no Homunkurusu no Shoujo tachi ni Kakomarete Isekai Kenkoku· 1000人のホムンクルスの少女たちに囲まれて異世界建国
novel

Dragged by the ritual for the revival of the evil god of a different world, an ordinary senior high school student Furutera Isshi meets 1000 Homunculus girls that were created for the sake of sacrifice. Hearing about the horrible treatment of them being just tools for the humans, he decided to found a nation for Homonculi.