Gesuigai | Drainage City

Gesuigai | Drainage City is a completed manga by horihone saizou. It is rated mature 18+ and includes tags such as big-breasts, shotacon, sister, yaoi, amputee, big-penis, incest, multiple-penises, scat, breast-expansion, demon, monster-girl, transformation, lolicon, bestiality, birth, body-modification, defloration, double-penetration, futanari, multiple-breasts, school-swimsuit, and tankoubon.