Manga
Finished
Jan 24, 2009 to May 24, 2010
6 chapters
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. (Source: Psycho Pandas)[Written by MAL Rewrite]
Yakusoku Siren, The Promise Siren, 約束サイレン
1317
62
34
2537
1 (0.1%)
1 (0.1%)
2 (0.2%)
8 (0.8%)
43 (4.3%)
93 (9.3%)
254 (25.4%)
264 (26.4%)
187 (18.7%)
146 (14.6%)