Another possibility is "handheld mania". This cartoon tells the story that Kobayashi, the hero, is an otaku who likes to collect handicrafts. He has gained super powers through a mysterious handicraft. This handicraft can be changed into various forms and has an immortal body. However, Kobayashi gradually discovered that the power of doing things with his hands is not infinite, and he began to fall into confusion and depression. The story revolves around the adventures of Kobayashi and Shouban, full of fantasy, fighting and emotional elements.