According to Fuji TV, mangaka Fujimaki Tadatoshi
received threatening letters along with a liquid, which smelled like hydrogen sulfide. The letters were sent to his studio, Toyama High School, and Sophia University
, which Fujimaki graduated from, and the sender criticized Kuroko no Basket
. The letter said, "Fujimaki deprived me of everything." If he continues to make the parody manga, I'll attack him with hydrogen sulfide.
" "If the studio continues to publish the parody manga of Kuroko no Basket, there will be an attack with hydrogen sulfide." (Corrected the text.
Sources: Screenshot of the news program
, Screeenshot 2