[Luckily he's very conditioned to Katsuki's reactions to things so he still looks like he's just been given the prize of a lifetime. His eyes are wide with surprised delight and his cheeks are still brushed with bright pink.]

Okay- Kacchan! Thank you, still!

[Izuku never really had that many friends until high school! And even if he has a good amount of friends now it's not like anyone in the hero course has time to make a boy a bento box! So this really is the first time ever that someone's gone out of the way for him. It touches his heart!]

I was just going to check out the noodle stand that's just down the street from here... [aka he totally was going to buy some garbage] But if I get to try Kacchan's homemade bento that's ten times better!

[He holds it close! He'll eat his veggies this way for sure!]

Ah! Did you want a small tour of the shop? Do you have time?