It might work, but Ryunosuke is first and foremost a 'go with your gut' guy, and his gut is reminding him that this dude has assaulted him in the past. Still... Maybe he should give him a chance? At least hear him out.

"...Really? How?"

He looks openly skeptical but honestly if Binghe is offended by that, well. Rewind time and undo that whole first impression business if you have a problem with it, buddy.