1) The sound of the sea With the sound of the sea in the background, pressed on by the overwhelming literary style, a pure love that is too bitter-sweet. High school student Shougo lives in a rural port city. The moment he meets the art teacher Asano, who was transferred here from the city... He is ruled by indescribably intense emotions. ...Shougo masturbates while dreaming of violating Asano. 2) Moon on the 16th night 3) Duplicate key 4) Last kiss 5) 3:00 am: Continuation of first story.