Slice the tuna 3 mm (⅛ in) thick. Cut each slice into strips 2 cm (¾ in) wide.
Spread the sesame paste on 1 side of each tuna strip.
To assemble, line up 1 tablespoon of the daikon evenly so that the sticks are parallel. Hold the daikon with the fingertips of one hand and wrap the tuna around the base of the daikon. The side of the tuna strip with ses