Stream anime episodes online for free, Watch The Law of Ueki Episode 31 English version online and free episodes. Anime Episode guide, Chapter The Law of Ueki Episode 31 English dubbed The Law of the Strongest Tag Team With one win, Team Ueki looks optimistic, but a new challenge awaits the group. This time around, Sano and Rinko will have to face a pair of power users that make use of each other’s abilities to defeat opponents. Munin can turn stupid puns into reality when the opponent laughs, and Pastello can turn any line drawing into a portal which he uses to tickle the intended opponent. Sano and Rinko are competent on their own, but lately they’ve been getting on each other’s nerves. Can Sano look past Rinko’s carefulness? Can Rinko look past Sano’s carelessness? If they want to win this battle, they will have to find a way to look past each other’s flaws and work together as a team.