In the next episode, Caiman and Nikaido embark on a perilous quest to uncover...
Dorohedoro
Season 1 Episode 12: Omoide School Days/Boy Meets Girl... And Fights!/Yubikiri genman
Caiman's efforts to persuade Nikaido to rejoin him in the Hole are thwarted by her binding contract with En, who subsequently launches a search for her after their intense battle.