Jujutsu Kaise is the best new gen shounen anime with amazing action, characters and plot. The story takes place in a world where curses energy and attacks people. And sorcerer stop these. The most popular shonen right now. 

Attack on Titan is one of the most popular anime from many years, rating above 9.1 on both IMDB and myanimelist. This anime also has one of the best storylines in anime. Attack on Titan has been very popular since it started airing and now it ended. 

Black Clover is a popular anime which is also set in a fantasy world where Magic Knight works as a guild where people from the nation come and save the whole country from danger. This is a proper shonen with adventure and magic. 

 It is one of the Big Three anime in the whole community. With its unique plot, characters, and world-building it is the best anime out there. Every character you'll see in this anime has unique abilities, that keep you engaged in the storyline.

Demon Slayer is another Modern Shonen anime with a captivating story and breathtaking action. The story follows Tanjiro whose family was killed by a demon and his sister also turned into a demon. This shonen anime has gained worldwide recognition. 

My Hero Academia This anime gained so much popularity over the past few years especially overseas. It is a superhero genre anime which has action, adventure and other elements which give you an amazing experience while watching it. 

Fire Force is an underrated anime right a lot of people didn't watch it yet. But this anime has so much potential and the animation, action and music are perfect. It follows the story of the fire force which protects people from fire monsters.