What's "It's all your fault / Subeteanatanoseidesu"?

Around February 2018, he started publishing works on Nico Nico Douga under the name "ロン毛 [Longe]", and in May of the same year, he published "." under his current name.

It is the character of his works to contain cryptography like Morse code and he has gained high popularity, mainly among young people. He is currently releasing songs on YouTube on an irregular basis.