Bahasa Jepangnya “memerankan karya sendiri”

memerankan karya sendiri; mengerjakan sendiri dari awal hingga akhir; rekayasa; berpura-pura menjadi banyak orang di internet

performing a part in one's own play; doing everything by oneself (from preparation to execution); put-up job; sock-puppeting (i.e. pretending to be more than one person on the Internet)