up-Inuyashiki-ep06.webp

Translation

• Context: a well-known murderer tells an anonymous bulletin board that he's gonna kill everyone in that thread.
• nanashi-san atto oopun
  名無しさん＠おーぷん
  Anon @ open.
  • Open probably refers to open 2 channel, おーぷん2ちゃんねる, a bulletin board based on 2ch.
  • The incrementing numbers 193, 194, 195, 197, 197, and so on at the left side of each response is the identifier used to cite what a previous user posted.
  • The 2017/11/×× is the date. Japan uses a year-month-day date format. The ×× where the day would go is a placeholder used in fiction in places where a specific name or number isn't necessary. See ○, ×, and △ for details.
  • tsuchi 土, "dirt," inside parentheses next to the date refers to the weekday: doyoubi 土曜日, "saturday."
• hon'nin desu ka? kao! up!!
  本人ですか？顔！うｐ！！
  Are [you] [the murderer himself]? [Your] face! Upload it!
  
  • hon'nin - the person themselves, as opposed to someone speaking in their behalf.