He held the record of being the youngest actor to play a Sentai Ranger as he was twelve years old when he took on the role of Kou. Homare Mabuchi took the record when he portrayed the child version of Right Suzuki in Ressha Sentai ToQger at the age of 9-10. Hisashi still holds the record in terms of being Kou's main actor as Jun Shison was the main actor for Right.