Gamely, and slightly flushed, L also takes a swig of his drink.

"It's not that breasts aren't natural..." he rambles. "They're fine, and normal, they. They're good, for lots of things. But I drew a bicycle... it's my card, I'll show you my card."

His card does, in fact, have the word "bicycle" on it. The truth is sincerely just that the great brainiac polyglot detective is a really shitty artist.