Guess the anime

1. it is a very old one. The anime has stopped, but the manga is still ongoing
2. the delivery of each chapter is very slow, perhaps the author will die before finishing it
3. The author has "survived" covid
4. is related with Berserk

5. the author owns a "Sports" club where he trained.

Last clue: the author's sports club is related with his manga/anime

Last last clue: One of the characters has a name similar to Nakamura

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Congrats to @Khaled-Br for solving the riddle.

No, revenge love was not the intended solution

hxh??

hxh is not the solution

It is either Berserk or Vagabond

its neither Berserk nor Vagabond

is not Detective Conan

is it Vinland Saga ?

no Vinland Saga.

I added another clue:

5. the author owns a "Sports club" where he trained.

One Piece no other answer

wait hang on it couldn't be One Piece

one piece is not the answer.

Last clue: the author's sports club is related with his manga/anime

Hajime no Ippo

Tomorrow's Joe

Nope. That manga has finished... The real answer is Fighting Spirit!

Blue lock?

And just used chatgpt

Hajime no Ippo, is it

Congrats @Khaled-Br. Hajime no ippo is the answer!

@domailien14 did chatgpt solved it?