[ HE LOOKS SO HAPPY! At least, this is what Kogitsunemaru sees? Surprise means happy, right? Like, "wow this is awesome man Kogi is so cool whoaaaaaaaaaaaaaaa". ]

If I told you, then that would ruin the birthday surprise, right? So, I cannot tell you now. Perhaps when you are older, I can do so.

[ AKA he doesn't know. ]

Please! Take a bite right now. Cold, fried tofu is... unfortunate...

[ It brings an internal tear to his eye when he thinks about uneaten aburaage! ]