On New Year's Eve, the Asabane household finds itself a little busier than usual with cleaning.
While cleaning their room, Yuta accidentally gets water on Yuki's manga.
Yuta and Yuki get into a fight, ending with Yuki leaving the house.
Yuta has trouble understanding the situation until a piece of paper he finds in the edge of his room triggers his memory.
You're the one who needs to 
realize how ridiculous it is...
Eres tu la que tiene que darse 
cuenta de lo ridículo que
Eres tú la que tiene que darse 
cuenta de lo ridículo que
Você que tem que perceber 
como é ridículo usar