Denjarasu Jii-San Jya is a Nintendo 3DS game based around the manga (known in North America as Grandpa Danger), which features in the monthly Japanese publication, CoroCoro magazine.
Denjarasu Jii-San Jya is a Nintendo 3DS game based around the manga (known in North America as Grandpa Danger), which features in the monthly Japanese publication, CoroCoro magazine.
