"Oh, Kaito-kun, have you seen the sky today? It is warm and as blue as it could be, yet it cannot compare with the beauty of your eyes."
/gently grabs his chin and tilts it so he can look at his face
"I have seen many beautiful things today, but you are by far the loveliest."
/leans down a little
"I daresay, you are the prettiest thing I've ever seen in my life."