Aoi and Akane Kajiya may be twins, but they are complete opposites. Aoi is reserved and well-mannered, while Akane is a charming athlete who may not always be the brightest. Their childhood was plagued by comparisons, which has led to Aoi's current isolation. However, when they both attend school, they reconnect and Romantica Clock follows their daily ups and downs with school, life, and love. Despite their rivalry, their familial bond remains unbreakable. Additionally, the volumes include various one-shots like "Kashino-kun wa Mahoutsukai," "Trick on the Chocolate," "Mahiro-chan no," "Dear Chloe," "Lemon wa Amanojaku," and "Usagi Melancholy."
