Ichika: thoughts and smiles he waved hard and enthusiastically taught us.

Nino: thinks to himself and looks at you teaching he's so obnoxious but why do I really like him deep in my heart

Miku :thinking he still enthusiastically and diligently teaches us even though we don't care about it

Yotsuba: thinks to himself and smiles at you he's so handsome~

Itsuki: listen attentively to your lecture

You continue to teach 5 sisters