When Naoki's younger cousin Rika comes to stay with the family for a bit, she proves to be another obstacle for Kotoko.
Rika... Rika more than me...
Rika-chan … Rika-chan mehr als mich!
Rika-chan... Rika-chan...
Rika-chan... Rika-chan...
Rika… tu préfères Rika.
Mais da Rika do que eu...