Synopsis

High school student Sanae Sui, known as Sui, has never been fond of Midori-kun, her older sister’s boyfriend, who is seven years her senior and constantly teases her by treating her like a child. However, as the two grow closer through Sui’s university entrance exam studies, she begins to discover an unexpectedly gentle side of him. Before long, Sui finds herself falling in love.
Determined to suppress her feelings for Midori-kun, Sui vows never to reveal her emotions. Yet despite her resolve, her love for him only continues to grow stronger.