Unlock all the Characters Archive.

Unlock all the Concept Archive.

Find the Diary.

Unlock all the arts on Gallery Archive.

Unlock all the music on Music Archive.

Just read.

Welcome to the edge of the world.

Reach the Game Over.

Reach the end of Circumstances.

Reach the Accident.

Back home from Bridge of the life.

Walk towards death from Bridge of the life.

Find the Wallet on Ga-yeon and Yunwoo.

Reach the True Ending.