Aji no Mentaiko Fukuya Nakasu Main Store is a mentaiko souvenir shop in Nakasu, Hakata, Fukuoka. It sells plain mentaiko along with mentsunakan, jellyfish mentaiko, squid mentaiko, and mentaiko udon. The selection is larger than at the airport store, and customers can taste items on site before choosing. Fresh products have a short shelf life.