Nico Nico Douga

Triggers: !nico, !niconico

Try it

Kagi would openhttps://www.nicovideo.jp/search/documentary

Run !nico in Kagi

URL pattern: https://www.nicovideo.jp/search/query

Searches www.nicovideo.jp, filed under Video.

Other bangs for www.nicovideo.jp

Nicovideo jp !ncvi