He voiced Nero in Devil May Cry, Genos in One Punch Man, Tenya Iida in My Hero Academia, Tsumugi Aoba in Ensemble Stars!
Ishikawa performed in a production of Gamba's Great Adventure at a science society when he was in fifth grade.
[citation needed] After immersing himself in late-night anime like The Familiar of Zero, he pursued roles in Kanon and Genesis of Aquarion.
Ishikawa entered the Pro Fit Voice Actor Training Center with the money he earned from his part-time job.
In April 2013, he played the first leading role in the anime series Gargantia on the Verdurous Planet.