This Isn't Sumo (Patreon)

Patreon reward sketch for Fargo from December; I am really, really bad at uploading here (and in general) so forgive the spam while I backtrack if you could!!

Putting on weight, once deemed unavoidable, becomes part of Sonic and Shadow's training outfit; Shadow suggests sumo-type wrestling, and Sonic agreed - but as Shadow is realizing, Sonic has no damned idea what he agreed to...