Mangas

"Sekolah Asuhan Di Dunia Lain" Dibuka ~Semangat Loli Terkuat Menjadi Deredere Dengan Kemahiran Keibubapaan~ -  Isekai Hoikuen wo Hirakimashita: Fusei Skill de Saikyou Loli Seirei-tachi wa Deredere desu -  我在异世界开幼儿园~因为父性技能最强的萝莉精灵好像很粘我的样子 -  異世界保育園を開きました ~父性スキル
Oliver, an adventurer almost in his 40's received a certain mission in regard of his earnest personality. That mission is to bind a contract with fellow deredere little spirits who have great power or something like that!?Thus, the fellow spirits gathered and the new life of Oliver as school principal begins--!!- Summary from Gardo Comics
Isekai Hoikuen o Hirakimashita - Fusei Sukiru de Saikyou Loli Seirei-tachi wa Deredere desu 我在异世界开幼儿园~因为父性技能最强的萝莉精灵好像很粘我的样子 異世界保育園を開きました ~父性スキルで最強ロリ精霊