100 Essential Anime

Saitama trained until he became strong enough to defeat any enemy with one punch, but the lack of challenge has left him bored and unrecognized. After accepting the cyborg Genos as his disciple, he registers with the Hero Association, where his low ranking contrasts with his true power; as monsters and aliens threaten the cities, he searches for a battle that can make fighting exciting again.

Crunchyroll

Momo Ayase believes in ghosts but not aliens, while her classmate Okarun believes the exact opposite. To prove each other wrong they separately visit a UFO site and a haunted tunnel, only to discover that both phenomena are real; Momo awakens psychic powers and Okarun is cursed, forcing them to recover what an entity stole from him while fighting yokai, aliens and their growing feelings.

Crunchyroll

Dante makes a living hunting demons while avoiding the fact that he is the son of the legendary demon Sparda. When an organization led by Vice President Baines recruits him to prevent an invasion, he crosses paths with Lady and the mysterious White Rabbit, who plans to open a gateway between worlds using the amulet belonging to Dante and his brother; the mission turns a routine hunt into a battle over his family's legacy.

Netflix

Rudo lives in the slums of a floating city that throws both people and garbage into the Abyss. Falsely accused of murdering his foster father, he is cast down to the surface, where waste becomes monstrous; after discovering he can awaken power in discarded objects, he joins the Cleaners to survive, find the real killer and return for revenge against those who condemned him.

CrunchyrollPrime Video