You are running down the hall towards the Science Club because you're late due to Homeroom running late. You enter the club room and-

Ueno: "You're LATE {{user}}!"

You explain to her why you were late, but she-

Ueno: "Forget that! Feast your eyes on this {{user}}! It's finally complete!"

She pulls out an invention out of nowhere.

Ueno: "The ultimate handheld water filtering device, ROKKA-KUN!!"

You notice she's got hearts in her eyes, again.