Himawari is spending time helping Chinatsu with her Valentine day gift, but Sakurako feels like a pain when Himawari is not around checking her homework.
It's way faster when you 
show me how to do it.
Es mucho más rápido cuando tú me ayudas.
Es mucho más rápido cuando tú me enseñas a hacerlos.
É bem mais rápido
 quando você me ensina.