dazai: *immediately writes his own name no questions asked*
kunikida: *thinks it’s a joke at first but gets concerned and spends weeks thinking about it but would never write a name down just in case*
or
kunikida: *thinks it’s a joke so he writes down dazai’s name as a “test”*
or
kunikida: *thinks it’s a joke so he writes down dazai’s name as a “test”*
akutagawa: “wtf i could just kill anyone i wanted myself. i’m not so weak that i would need a magic book to do it for me”
atsushi: *scared* *shows/gives it to kunikida or dazai*
chuuya: *threatens to write dazai’s name but dazai gets excited so he loses interest*
fyodor: *kills off every bsd character*
mori: *uses it to kill off the mafia’s enemies and probably the ada too*
mark twain: *has sex with it* ?!