It has been in a live performance trying to make ASMR, that is, soothing sounds for his fans by approaching the microphone. At one point he decided to eat a bar of soap, and now many of his viewers ...

"Sharp feel" and "sound" by thinning the soap with a knife, cutter, etc. feel a pleasant feeling as if the brain can trouble "ASMRIt is gaining popularity as being ", and it is spreading by SNS etc.