4 Luffy [updated]: Gear

Luffy inflates his belly to an enormous, globular size after eating excessive amounts (in this case, Cracker’s biscuit soldiers). He retracts his limbs entirely.

Manpuku (Full-Stomach) Version

Massively swollen upper body, disproportionately small legs, and a spherical torso. Steam emanates from his body, reminiscent of Gear 2. gear 4 luffy

Leaner, slimmer upper body with longer, thinner arms. The steam pattern is more angular. Legs remain normal size. Luffy inflates his belly to an enormous, globular