Fast hooks
Death Note, Spy x Family, Fullmetal Alchemist, and The Promised Neverland establish clear premises quickly.
Warm character stories
A Silent Voice, Yotsuba&!, Blue Box, and My Love Story!! work when relationships matter more than lore.
Distinctive worlds
Witch Hat Atelier, Delicious in Dungeon, Nausicaä, and Pluto demonstrate manga's visual range without requiring genre homework.