Checkmate Lawyer Season 1 Episode 5 Fake Wagashi Lawsuit vs Unexpected Unpromoted Bishop?! ( Air Date 2025-02-14 ) Genre Drama category. Overview "Gankoan is a traditional wagashi shop, and their famous Ittetsu Mochi-- a single-byte mochi dessert-- became a viral sensation overnight. Their online retailer, Queen Marche, is suing the wagashi shop over breach in licensing contract.".