['Everyone's' heard of it? Alright, well excuse him for not wanting to make any assumptions about how much an amnesiac illegal immigrant on a short leash might know about London's parks and recreation scene :/

Ryunosuke follows his nod down to the katana, his eyebrows flying up at the suggestion of using it.]

Karuma? Heavens, no, it's not... [It's not FOR that, at least not in his eyes, or his hands.] ...I keep it close to me for sentimental reasons. Not for self-defense. Truth be told, I'm... Not exactly comfortable with blades...

[His heart gives a painful little pang; rather ironic that his masked friend here wouldn't recognize his very own soul, that is assuming he and Kazuma are one in the same.]