susi slotSushi Oishi Review. Sushi Oishi is a food-themed machine from the developer PG Soft that utilizes the mechanic laid down in the popular Razor Shark slot. It comes with aThankfully, this slot machine packs plenty of flavour into its 3 game reels with an assortment of different sushi, from simple rolls such as hotatekai tabiko, abokado tabiko and maguro tabiko