Shounen
Slice Of Life
Isekai
Mecha
100

Rubber boy goes on an adventure to become a 'Pirate King'

One Piece

100

Spy marries an Assassin, kid gets caught up in the Family Business.

Spy X Family

100

Dual-Wielding Black Swordsman's adventure, trapped inside a game world.

Sword Art Online

100

Fighting aliens with mobile robot suits

Gundam

200

Hotfoot, Hotheaded boy fights fire with fire.

Fire Force

200

Shy-Girl wants friends, but can't talk to people. 

Komi Can't Communicate

200

Guy gets trapped in a game where he's an all-powerful skeleton.

Overlord

200

Depressed kid fights alien angels in his own robotized alien angel.

Neon Genesis Evangelion

300

Boy with 2 personalities plays old Egyptian Card-Games 

Yu-Gi-Oh

300

Doll Boy makes clothing for Cosplayer.

My Dress-Up Darling

300

The Devil works at McDonalds, also he's poor.

The Devil is a Part-Timer!

300

Dude co-pilots and falls in love with a dinosaur girl

DARLING in the FRANXX

400

Bloodline Spirit Fighting

JoJo's Bizarre Adventure

400

Psychic wishes for a normal life

The Disastrous life of Saiki K.

400

Bunch of 10~ year olds get animal-like companions that transform into new forms as their bond grows.

Digimon Adventure (Digimon: Digital Monsters)

400

Underground village teenagers use a robot to fight things

Gurren Lagann