事前工作 じぜんこうさく preparatory operations; measure taken in advance; doing the groundwork n yoji Advanced ➥
自作自演 じさくじえん performing a part in one's own play; playing a musical piece that one has written n vs doing everything by oneself (from preparation to execution) n vs put-up job; charade n vs sock-puppeting (i.e. pretending to be more than one person on the Internet) n vs col Advanced ➥
戯作三昧 げさくざんまい being absorbed in writing popular novels (cheap fiction); being absorbed in writing something to amuse oneself n yoji Advanced ➥