Setsu Suzaki

Setsu Suzaki (須崎 説, Suzaki Setsu) is the main protagonist of the Isekai Shoukan wa Nidome Desu series.

Gluttony
Setsu's secret weapon that can eat away curses

Yuuhi Hanabashira
Yuuhi is Setsu's childhood friend when he got reincarnated back to Earth.

Etymology

 * The name Setsu means "theory" (説).
 * Setsu's surname Suzaki means "ought, by all means, necessarily" (須) (su) and "cape, peninsula" (崎) (saki/zaki).