[Cube tries to look away, more embarrassed now since she was making her friend acknowledge his help.]
It-it's alright, Rika-chan. It-it's nothing. I-I mean... it's not a big deal... As long as Cecil-san is feeling better...

[However, when Cube saw she was willing to help Cecil drink, he smiled, satisfied. It felt nice to be thanked. He poked at a scale, smiling at it. Maybe he did make a difference after all.]