Underestimated/Overpowered Protagonist in fantasy/isekai (PART 1)

Basically a list for power fantasy.

(PART 1) { RIGHT NOW }
(PART 2) here
(PART 3) here

Mistreated/detested lead characters in fantasy/isekai
here
Lead Characters misunderstood/adored by people around them in fantasy/isekai
here

Adventurer party/Hero's Party in fantasy/isekai
here
Slave Companion in Fantasy/Isekai
here