The manga Sex and Dungeon!! (Sekkusu and danjon! ~ Wagaya no chika ni, H kaisū = reberu no danjon ga shutsugen shita?!~) follows Souhei Saino as his level increases in a basement dungeon via intimate encounters, leading towards a harem conclusion. The series concluded with Chapter 36, and by chapter 33 it enters its final arc with plot points surrounding the origin of the dungeon and his relationships.