Shun is sharing his tangerine and ends up going to Kaname's house, but Chizuru, Yuki and Yuta end up going too and all 5 stay for dinner. While it was expected they would leave after dinner, instead at Chizuru's suggestion, it becomes their first 5 person sleepover.
Chizuru, you thought Shun 
was a girl when you first met him.
Al principio pensabas que
era mujer, ¿no, Chizuru?
Al principio pensabas que
era mujer, ¿no, Chizuru?
Chizuru, você achou que o Shun fosse 
uma garota a primeira vez que o viu.