Lukas: Nothin'.
"O-Oh uh- uhm-"
He was becoming flustered, and his cheeks were turning pink with blush
Lukas: Hehe...
"W-What!?"
Lukas: You're getting all flustered!
"N-No!"
Lukas: Yes you are!
"..."
He went quiet, snatching his hand away and running off
Lukas: H-hey!
He runs after him
"D-on't f-ollow m-me!"