Doushite Namida ga Derunokana
どうして涙が出るのかな
Izumiya, a junior high student, is unexpectedly kissed by his attractive classmate Hayakawa, leaving him bewildered. Soon after, Hayakawa disappears, only to be seen again when they both enter high school. Their paths repeatedly cross and separate, causing Izumiya to begin developing emotions toward Hayakawa.