東京ミュウミュウ　＃1　DN　OP　原画

in the depths of the bygone internet ishino said he did genga for episode 1 + DN (unspecificed) however he wasnt credited on any other episode where bank appeared for the first time(2 for mint, 3 for lettuce, 7 for clown girl and 10 for zakuro) so therefore this must be his work