|Literal English||Leech Gap|
|Appears in||Manga only|
|Classification||Ninjutsu, Tailed Beast Skill|
While in his transformed state, Utakata with Saiken's Futton element can ooze an extremely alkaline liquid, which burns upon contact. Killer B while in his full Eight-Tails form commented that the substance was strong enough to burn through his skin.
- The substance emitted during this technique also seemingly enables him to slide more easily through tight spaces, making it difficult to trap or even compress him.