Opened The “different World Nursery School” ~The Strongest Loli Spirits Are Deredere By Paternity Skill~

Oliver, an adventurer almost in his 40’s received a certain mission in regard of his earnest personality. That mission is to bind a contact with fellow deredere little in 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