Devils Line Episode 4 [ Trusted Source ]

Reviewers from sites like Moe Sucks and Anime News Network highlight the episode's dark exploration of bloodlust and human morality:

: The episode underscores a recurring theme where the "monsters" are often more sympathetic than the humans hunting them. For example, Zero Seven’s trauma—her mother was killed by a devil—fuels a vengeful crusade that leads her to shoot indiscriminately. Devils Line Episode 4

: The police eventually sedate Anzai. Two weeks pass without Tsukasa hearing from him, leading her to search for him in the area they last met. Instead, she finds Hans, who explains the nature of "oni" (devils) and offers hope that Anzai can eventually overcome his weaknesses. Critical Analysis and Themes Reviewers from sites like Moe Sucks and Anime

The episode picks up with the aftermath of Anzai consuming human blood. While intended to heal his wounds, the blood triggers a violent frenzy because Anzai, as a hybrid with no built-in tolerance for human blood, cannot control the resulting narcotics-like high. Two weeks pass without Tsukasa hearing from him,

: The relationship between Tsukasa and Anzai is often critiqued by fans on Reddit for being rushed or "cringe," yet others find it a compelling, "hot-and-cold" emotional roller coaster that avoids the typical "sparkling vampire" tropes. Adaptation Notes

: The title "Monster" refers not just to Anzai's physical transformation but to the internal struggle of maintaining one's humanity when biology demands violence.