Gintama. Shirogane no Tamashii-hen - Kouhan-sen - episode 4 - 29 Jul, 2018

Overall episode #357 The Kiheitai continues to fight, alongside Katsura's Joi rebels and Tatsuma's Kaientai. It's a brutal fight with many characters getting injured. Shinsuke has a realization, as does Prince Ensho. (Source: Wikipedia)