Marine

Devil of Shield Arc
c1-78

Cal Mira Island Arc
c78-114

Spirit Turtle Arc
c115-130

Slave Supremacy Arc
c131-203

Name this arc something pls
c204-357

Towards the Legend Arc
c357-378

The Christmas of Shield Hero
c379-385

The Valentine of Shield Hero
c386-402

The White Day of Shield Hero
c403-409

Loop 1 to 3 - Tutorial Arc
c410-414

Loop 4 - Silt Welt Arc
c415-455

Loop 5 - Melromarc Arc
c456-574

Loop 6 - Foburei Arc
c575-current

Heroes

 * Iwatani Naofumi
 * Kitamura Motoyasu