These series are widely considered the gold standard of the industry, boasting massive global fanbases and critical acclaim. One Piece
A character is transported to a fantasy world. These are the modern heavy hitters.
These series are global phenomenons, consistently topping popularity charts and critical reviews.
Even if you don’t like volleyball, Haikyu!! will make you care. It focuses on Shoyo Hinata and his team at Karasuno High. The focus on teamwork and the lack of a true "villain" makes it incredibly uplifting.