as parts of secrets and easter eggs, most notably in the Kirby series. 86239 can be read as "hachi-roku-ni-san-kyū", and was used in Initial D as the number on the license plate of a Toyota 86. When translated, it means "thank you, eight-six". 89 years can be read as "ya-ku-sai". This is homophonous with the Japanese word for "calamity" (厄災 yakusai), being a fitting age for the JoJolion character Satoru Akefu, who has a calamity related ability. 913 can be read as "ka-i-sa", as in Kamen Rider Kaixa, hence it being the transformation activation code. An anagram of this is 193, read as "i-ku-sa" (as in Kamen Rider IXA or "Iku-san"); the former is the code to activate Rising Mode, and the latter refers to Touhou Project character Iku Nagae (or IJN submarine I-19 in Kantai Collection). 96' can be read as "ku-ro" meaning "black", as in ("kuroneko"; "black cat"). is a popular Japanese singer who covers songs on Niconico, and provides the singing voice of Tsukimi Eiko in Paripi Koumei''. See also Japanese rebus monogram Rebus § Japan Tetraphobia Word play Notes References Mnemonics Japanese word games