卍LINE is Yosuke's alias as a raggae artist. Apparantly he's performing together with Non-chan, his wife, who is a reggae dancer. He's performed at clubs, even on the
Queen Mary in the US (see picture). I've seen him live 3 times during my trip to Japan, and the funny thing is the audience: girls know and rush towards the stage, screaming with their phone cams held up high, while guys go "Huh? Who's that?". Rumor has it that he's more or less doing this because he can't find enough acting jobs due
to his reputation. If this is the case, I'm kinda sad because honestly, I think he's a very very good actor, even people who've only seen him for a few minutes in fanvideos I made, said: "That guy is a genius!".
Also, the 卍 is not the nazi swastika. Normally, when the 卍 appears in Japan, it's usually a religious/spiritual symbol, not
"Heil Hitler".