Zatch Bell! (2003)

Medium Yoh Asakura enters a battle tournament held every 500 years, competing with other shamans in a bid to become the all-powerful Shaman King.

Kurt Rockhans is a kind-hearted errand boy for a hero’s party, the Flaming Dragon Fang. One day, he's banished from the party and finds out he has the lowest rank in combat. In order to make a living, Kurt picks up various jobs and discovers he has astonishing abilities. Though he doesn't realize it yet, Kurt has SSS-rank skills in anything other than fighting, as he sets off on a new journey.

Isekai'd into another world, Haruka makes use of seemingly underpowered skills to live as a lone wolf.

Two centuries have passed since a hero defeated the evil Jaryu and saved the world. In one of the many dungeon cities, Raust, a healer scorned and cast out of his party for being too weak, struggles to find his place. Amidst despair, he meets martial artist Narsena, who invites him to form a new party together. With a fresh start and renewed motivation, the two begin their journey to greatness.

In the seaside city of Riverfield stands Decelis Academy, home to seven mysterious boys sharing the same secret: They're vampires, hiding their murky pasts. When Sooha, a female student who hates vampires, transfers to the academy, the boys find themselves irresistibly drawn to her. As strange events shake the city, old sins and buried secrets resurface, and their world begins to fracture.

Six childhood friends make a vow one day to become treasure hunters, and eventually grow to be the strongest heroes in the world. During his first quest, Krai Andrey realizes he isn’t cut out for the job. Even so, his friends make him their leader. Underpowered in the face of great expectations, Krai embarks on a reluctant hero’s tale of glory, headaches, and wanting to retire early.

The rowdiest guild in Fiore Kingdom is back! Natsu, Lucy, Gray, Erza, and the whole Fairy Tail guild tackle the legendary "100 Years Quest," tougher than any S-Class quest. Their goal: find the first wizard guild ever, located in the far north of Guiltina. Facing new gods, mysterious towns, and ominous foes, they’ll have their work cut out for them. Will they succeed where no wizard has before?

Reincarnated as a sentient weapon with memories of his past life, but not his name, a magical sword saves a young beastgirl from a life of slavery. Fran, the cat-eared girl, becomes his wielder, and wants only to grow stronger, while the sword wants to know why he is here. Together, the strange duo's journey has only just begun!

Alina thought she had found the perfect job as a guild receptionist. It’s stable, safe, and has a super cute uniform. But this dream gig turns into an overtime nightmare whenever adventurers get stuck clearing a dungeon. Tired of the long nights, Alina starts taking down the bosses herself! She even earns the name Executioner for her impressive skills. Can she keep her identity a secret?

After a false accusation, Shigeru Yoshioka becomes an unemployed recluse. By choosing to remain ugly in another world, Shigeru gains higher status. He begins his second life as an absolute god with cheat-level stats. At first, Shigeru tags along with Seika, Seiji, and Leeds, but due to a weakness caused by direct contact with a girl, he considers breaking away from the party. However…