[She knew he'd react to seeing a weapon, the sword fanatic he is, and she's ready to at least try to deflect him.]

Roku— snap out of it! I'll start saying really cheesy stuff to make you remember who I am, stuff like you having to show a slug you have feelings sometimes!

[...something like pupperou won't work, but reminding him of how flustered he was from kissing her really quickly might!]