Quick answer — Netherworld Battle Chronicle: Disgaea: the opening theme is "Aishitageru" and the ending theme is "Kusari".
From the darkest realms of another dimension emerges the story of Laharl, the son of a demon overlord, and his two sidekicks: his impish servant and an angelic assassin. Awoken from a two-year, poison-induced nap, Laharl learns of his father’s demise and blazes a trail of destruction on his quest to declare rule… Produced by OLM, this action, comedy, and fantasy series premiered in Spring 2006. It ran for 12 episodes and is finished.
Also known as: Disgaea
Netherworld Battle Chronicle: Disgaea has 12 episodes and is finished.
Netherworld Battle Chronicle: Disgaea was produced by OLM and released in 2006.
Netherworld Battle Chronicle: Disgaea is classified under Action, Comedy, Fantasy.
Netherworld Battle Chronicle: Disgaea premiered in Spring 2006.
The opening theme of Netherworld Battle Chronicle: Disgaea is "Aishitageru".
The ending theme of Netherworld Battle Chronicle: Disgaea is "Kusari".
Netherworld Battle Chronicle: Disgaea is based on a video game.
Netherworld Battle Chronicle: Disgaea is listed on Hulu, Crunchyroll. Availability varies by region.
Character data from AniList.
Fans also recommend:
