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We've run some analyses and crunched the numbers and it turns out that this Senku Ishigami 16 oz. Mug is the ideal vessel for achieving optimum...
Senku, Taiju, and the others await you on this superb Dr. Stone mug by ABYstyle!
Senku's been hard at work devising a formula for the perfect mug of morning coffee. Take one vessel optimized for maximum caffeine capacity, add in a...