Yamame has procured a plentiful harvest from the Gardening Club, and Hahari invites the girls to a hot pot party sleepover at her mansion. Hakari jumps on this and proposes a blind potluck challenge, which everyone agrees to. When all the guests arrive, Hakari and Kusuri are tied up under suspicion of submitting questionable ingredients, prompting the guests to organize a Lie Detector screening to ensure nothing untoward gets into the hot pot.
After a lottery to decide the order, Chiyo draws the first helping, which is udon noodles. Kurumi submitted those, believing the hot pot would never end if she didn't eat the udon. Nano then finds a frog-shaped dumpling. Shizuka was inspired by the idea of witches surrounding a cauldron to submit them. Shizuka pulls out what she thinks are squirrel brains, but Mimimi clarifies that it's a walnut from the mixed nuts she submitted. Kusuri also draws an entry from Mimimi, this time a sunflower seed. Naddy recovers a homemade fish ball, which Chiyo's household makes. Yamame gets a chicken tender, which Iku submitted.
Hakari collects a piece of karaage, which she instantly pegs as submitted by Karane. Mimimi draws a shark fin, brought by Hahari. Mei finds a slice of ham shaped like a butt, which Rentarou clarifies was supposed to be shaped like a heart. Karane fishes out a calorie mate, Nano's ingredient. Hahari draws a sakura monaka, which Mei submitted. Meme gets frightened by a melted Pentarou gummy, which was the only thing Kusuri had on hand behind her drugs. Rentarou finds a teddy bear made from konjac noodles, which Meme didn't drop while disappearing. Iku recovers a rose, offending Yamame when she takes it as a challenge. And finally, Kurumi gets a Big Mac, which she immediately recognizes as Naddy's ingredient.
As Rentarou and the girls continue feasting on the hot pot, the girls start becoming unusually seductive with Rentarou. The boy notices an ingredient that's still unaccounted for, with a devious chuckle from Hakari revealing who brought it. She explains that her entry is sea otter meat (actually regular beef spiked with an aphrodisiac from Kusuri), with her objective in proposing the blind potluck to stimulate everyone's lust. Rentarou, however, is determined not to buckle to his desires and decides to try and work off everyone's lust through a sumo tournament, with the losers having to do as the winner says.
Tropes:
- Call-Back: The Lie Detector from Chapter 18 gets used again in this chapter.
- Exact Words: Hakari provides a weirdly specifically worded response during the screening, which the Lie Detector registers as true.
- Foreshadowing: Two girls pull out items submitted by Mimimi during the hot pot party. This hints that one girl's entry will be unaccounted for by the time everyone has taken their turn.
- Slipping a Mickey: Hakari sneaks an aphrodisiac into the hot pot in order to get everyone in the mood for lewd acts with Rentarou.
