Bond: Kimetsu No Yaiba Recap Movie 1: Siblings

It follows Tanjiro Kamado as he returns home to find his family slaughtered, discovers his sister Nezuko has become a demon, and begins his training under Sakonji Urokodaki to join the Demon Slayer Corps. Is It Essential? Demon Slayer: Kimetsu no Yaiba - Sibling's Bond - TV Guide

is a 2019 recap film that covers the initial events of the series. It was originally screened in Japanese theaters shortly before the TV series premiered to generate interest. What It Covers Kimetsu no Yaiba Recap Movie 1: Siblings Bond

The movie compiles of the first season.

The "Unwavering Resolve" arc (specifically the "Selection" segment). It follows Tanjiro Kamado as he returns home