I photographed Nagano Electric Railway (NAGADEN) 8500 Series T1 set again.
T1 set had been originally manufactured as the first-made set of Tokyu 8500 Series, 8601F set. The grey-coloured rubbers surround the edge of its front windows, which looks like that when it debuted. The rubber had changed to the black ones when in Tokyu but rechanged to the original one, which made me go NAGADEN to shoot the set.