Rei Mochizuki and Nishimura Riki have been rivals since elementary school-competing in everything from academics to sports, attention, and social dominance. Sharp-tongued, fiery Rei clashes constantly with the smug, infuriatingly calm Niki, making every encounter a battle of wits, patience, and pride.
When fate forces them to spend more time together, the line between irritation and attraction begins to blur. Between petty arguments, accidental sparks, and stolen moments, their rivalry slowly turns into something neither expected... and neither can resist