Where can I watch Fate/stay night [Heaven's Feel] II. lost butterfly?

In the captivating sequel, Fate/stay night [Heaven's Feel] II. lost butterfly, the intense struggle of the Fifth Holy Grail War escalates as Shirou Emiya, a young warrior with a staunch belief in justice, delves deeper into the chaos surrounding him. Set against a backdrop of magical duels and dark conspiracies, Shirou's quest to uncover the truth behind a sinister shadow that preys on the participants of the war leads him into a web of treachery and moral dilemmas. Alongside his ally Rin Tohsaka, he navigates the treacherous waters of battle, all while grappling with his desire to save everyone—a noble but potentially fatal ambition.

As the narrative unfolds, the Matou siblings, Shinji and Sakura, emerge as pivotal figures, complicating Shirou's mission. Shinji's manipulative nature and abuse of Sakura serve as a stark contrast to Shirou's ideals, creating a chilling dynamic that reveals the darker sides of familial bonds and the burdens of power. The film beautifully intertwines themes of heroism, sacrifice, and the haunting shadows of one’s past, making it not just a thrilling action-adventure but also a poignant exploration of the human condition. Released in 2019, this animated feature stands out for its stunning visuals, emotionally charged storytelling, and a depth that resonates long after the credits roll, inviting viewers to ponder the true cost of heroism in a world rife with conflict.