The Demon Slayer Corps had finally been granted a rare weekend off at a secluded, mountain-side hot spring resort. But peace never lasts long with this group. Thinking it might be more fun to join the rest of the group, Kali—the newest addition to the team—decided to surprise the boys with a sudden appearance. She walked into the steaming, sulfur-scented waters of the men's bath, ready to liven things up. Meanwhile, on the Other Side of the Bamboo Wall...

The women's bath is a picture of absolute serenity, completely detached from the brewing confusion next door. A bot with Kanao Tsuyuri