1, 2, 3 de Ima Sugu Dekiru! Kawaii no Chikamichi

Everyone who wants to be cute, gather here! Everyone in the class has been shining brightly lately. It seems that the reason for this is thanks to the famous twin influencers Ruru and Riri who transferred to the school. Iroha is impressed, but Ruru and Riri say to her, "You can become even cuter!"... (Source: Shogakukan, translated)