["Alternative : 約定之聲","約束サイレン","The Promise Siren"]
Updated: February 10, 2022 00:17
Ranked: #1531
Popularity: #7583
Rated
3.5 / 5 based on 988 votes.
Yakusoku Siren summary:
From Psycho Pandas:
A heartrending and heartwarming story about two twins: one who hates everything like himself and one who wishes to keep his promise from long ago.