Want to Spin a Gacha? [Post-Apocalypse]

Cheng Nuo is a severe victim of blind boxes, so unlucky that he often can't even recoup his initial investment. One day, the Rubik's Cube Gashapon System suddenly descended upon Earth—a disaster survival edition where bad luck could mean drawing a monster and dying. Cheng Nuo, whose gashapon luck is notoriously awful: "..." Just say you want me dead outright. The initial abilities obtained from the gashapon machine: others got attack or defense types, while his was a 3D map. Cheng Nuo: "...Even the gashapon machine thinks I can only run for my life." To survive, he set his sights on a student from the neighboring department who was working part-time moving bricks at the school construct...