Prologue

April 24 was the day Oikawa Tooru became silent. He just suddenly stop speaking, no voice to be heard from a usually optimistic person.

April 24, the same day Iwaizumi Hajime disappeared.
What happened that day was hell for all.

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"Sad boy,"

"Why you look so sad, boy?"

"Used to be so glad, boy"

"Why you feel so bad?"