Railgun T op both 1 and 2 couple of levels ahead of the rest but i still agree. It's not all about production value sisters noise suited sisters arc so well and tbh sisters arc was the best of toaru so far so it kinda makes its op and ed special as well.
True Timeline op Railgun 2009 OP 1 - Only my railgun OP 2 - Justligh level 5 Railgun ova 2010 OP OVA - Future gazer Railgun S 2013 OP 1 - Sister's noise OP 2 - Eternal reality Railgun T 2020 OP 1 - Final phase OP 2 - Dual existence 9:21 why Last OVA OP reaction