Lenalee made a cute noise at the feel of his lips against her ear, muffling a giggle at him. "He will definitely be surprised. I'll bet he'll think he'll have to trick you into it." Trick' she says. But she means 'threaten with drills, syringes, and aggressive golems'.

Though as if she had been thinking along the same lines as him, she tilted her head a little in order to look at him better. "...though it will probably still take him some time to get used to the idea." Especially since the running gag of her dating someone was going to be less of a gag now.