In a culture that prizes decorum, Hiroyuki Nishimura's Web video site and bulletin board are a chaotic — and sometimes obscene — free-for-all. Illustration: Christoph Niemann I'm sitting in a sterile white conference room waiting for Hiroyuki Nishimura. Japan is a nation where the 3:17 train arrives every day at 3:17 — not 3:16 or 3:18 — and Nishimura is 45 minutes late. The PR assistant who pains
![Meet Hiroyuki Nishimura, the Bad Boy of the Japanese Internet](https://cdn-ak-scissors.b.st-hatena.com/image/square/4765e6ce7aa27491d31683d062e4b8ddd55ad5eb/height=288;version=1;width=512/https%3A%2F%2Fmedia.wired.com%2Fphotos%2F5a7e82b8773c914a1aed2e5a%2F191%3A100%2Fw_1280%2Cc_limit%2Fmf_hiroyuki_f.jpg)