Overlord Season 2, Japanese Anime TV Series 2018

Story:

Since appearing in another world, Ains has sent out daily commands as the ruler of the Great Tomb of Nazarick. He also maintains his alter-ego Momon, the strongest adventurer in E-Rantel, to gather funds and keep an ear to the ground. 

He sets out on quests considered suitable for a adamantite class adventurer, like defeating the Gigant Basilisk. Meanwhile, Ains returns to Nazarick and asks Albedo for a full status report.

External Link: Official Website