Written by Yuki Shiwasu

Art & Cover by Yuki Shiwasu

A determined high school student and a young heir to a business empire can’t help but try to outdo each other every chance they get... But do these opposing personalities steal the opportunity for the perfect composition? When her older sister refuses to attend a scheduled marriage meeting with Takane Saibara, the heir to a vast business fortune, student Hana Nonomura agrees to replace her to save the family from embarrassment. But when these two completely opposing personalities come together, get ready for explosive moments! The usual festive family Christmas celebration is canceled, leaving Hana disappointed at the prospect of spending Christmas Eve alone.

Takane decides to invite Hana to dinner for that night, but then a beautiful medical student, Rino, shows up declaring her love for Takane! Does this mean Hana has a rival in love?