```
"Satisfied, satisfied!" Song Xiaodong grinned proudly and then leaned in to plant a kiss on Song Xiaoru's cheek.
Song Xiaoru felt a bit embarrassed, but a hard-to-describe warmth spread between them; such a brief peck on the cheek somehow made them feel even closer.
"You little rascal, you're getting worse," Song Xiaoru said lightly, hitting Song Xiaodong with a laugh.
With a smiling face, Song Xiaodong replied, "That's not a bad habit. You're used to it now. If I don't kiss you in the future, you'll miss it."
"You... alright then, once in the morning and once at night is okay, but not in front of others. That would easily lead to gossip," she warned.
"What does it matter what others say about our brother and sister matters?" Song Xiaodong immediately widened his eyes in protest.
