Getting into the Manga scene, what is the best starter manga?

What genres do you like? Do you want something completed or on-going? Something really long or something you can finish in a couple afternoons?

>>202935
I got Black Lagoon and Berserk.

I'm looking for Action, Fast-paced. Sci-Fi.

>>202924
Oyasumi Punpun.

>>202943
Battle Angel Alita then

>>202943
Try Needless.

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Here are some really good ones
>vinland saga
>Sun-ken rock
>Thermae romae
>The world only god knows
>It's my life
>Hinamatsuri
>Jin
>Marine corps yumi
>Otoyomonogatari
>Survival
>Tate no yuusha
>He is a highschool girl
>Black lagoon
>D-frag
>Hakaiou noritaka!
>Bari haken
>Kyou no yukiosan

>>202924
Bokurano

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>>202924

>>202943

>Sci-Fi.

Steins;Gate

>>202924
Angel densetsu is good if you're looking for something fun.

Then if you liked that you might want to check out "Transfer student storm bringer" (not 100% sure on that name, and cba checking, but it's something similar), I think it's a manwha but it's still good. The original, not the reboot