Kazuya Kaibara is serious and has good manners. Kouhei Yamaji is flashy and a little superfluous. These two are best friends since childhood and stand out even now in high school.

The moment she met Kazuya for the first time, Nagiko fell in love with him. So she finds out that Kouhei is in love with Kazuya. And because she likes Kazuya, she also ends up realizing who his heart is thinking about.

Where will these intersecting thoughts lead to...?

(Source: Taiyou Tosho, translated)