(slang, derogatory) A vague, derogatory label applied to stories that have overdone, clichéd elements. Usually an isekai story with elements like those described at 異世界#Usage notes.

mountain stream

electronic noticeboard; electronic scoreboard; electronic bulletin board

Jade Emperor

Jade Emperor

(historical, Japanese colonialism) kominka, "transformation into citizens of the emperor": the colonial Japanese policy of Japanization

the Kōdōha (or the Imperial Way Faction); a totalitarian, militaristic and expansionist faction in the Japanese military during the early Shōwa era

anhydrite

the oral cavity

pithead; minehead, entrance to a coal mine