Kugane Maruyama has an original story credit for Overlord.
original story
TV anime / 2015
TV anime / 2018
TV anime / 2022
original creator
Short TV anime / 2019
Short TV anime / 2020
Movie / 2024
Movie / 2022
Movie / 2017
OVA / 2016
Short TV anime / 2025
ONA / 2018
Special / 2017
ONA / 2023
ONA / 2015