Sore de Shiawase

 is the eighth single by chay. It was released on May 25, 2016, and peaked at #36 on the Oricon single chart.

Single Information
 was used as the theme song for the drama Hayako-Sensei, Kekkon Suru tte Hontou Desu ka?.
 * Lyrics: chay (All Tracks), jam (Track 1)
 * Composition: Tabo Koichi (Track 1), chay (Track 2)

Tracklist

 * 1) Sore de Shiawase (それでしあわせ)
 * 2) Zurui Hito (ずるいひと)
 * 3) YOU GOTTA BE (Hikigatari) (Des'ree cover)