my favorite

Denji is a young, depressed man who is attempting to pay back his deceased father's debt to the yakuza by working as a devil hunter. Denji also owns a dog called Pochita, who is actually a devil that resembles a chainsaw and assists Denji in his work. When Denji was tasked to kill a demon, Denji dies and Pochita is injured but luckily the two had previously made a deal that allows Pochita to merge with Denji, reviving him as a human-devil hybrid with Pochita's chainsaw ability.

In a world ravaged by war, a young boy walks down a lonely road in the aftermath of his mother's death. With eyes clouded by anguish, he pushes himself to keep moving forward.

One morning, he meets a girl in an abandoned bus where he spent the night. Moments after their encounter, the area turns into a battlefield, and the pair escapes into a long abandoned lane. The two strangers decide to walk together. Moving forward.