Explosive Bubble Sealing Technique

In Atsuko Minori's one sealing technique, she appears to be kissing her opponent, but is actually blowing a bubble inside her enemy's Chakra network, sealing the person away internally, and leaving them paralysed with a black marking on the place they were kissed. However, the bubble coating the victim's Chakra will detonate if the seal is attempted to be broken, unless it is Atsuko herself who breaks the seal. Because of this, the only known way to remove the seal is to cast Genjutsu upon Atsuko, and make her unseal the body.