Happy World! is a oVA anime that premiered in winter 2002.

About the production: there are 3 episodes of about 30 minutes and its current status is "finished".

Its main genres are comedy, ecchi, fantasy and romance, with themes such as Angels.

On AniList, Happy World! has an average score of 54%, an average score, and appears on 1,458 users' lists.

Oomura Takeshi is one unlucky fellow. He has has this case of bad luck ever since he was little. One day, while on his normal runs with bad luck, he meets an Angel named Elle, and he finds out that his father wished the curse of bad luck upon him. Takeshi has the oppurtunity to pass on the curse, but accepts it to save a young girl. For his noble act, Elle becomes human and lives with Takeshi to protect him from the curse, which is something Takeshi isn't particularly happy with. (Source: Anime News Network)

Official synopsis from AniList.