U12 (Under 12) Manga [update: Oct 09, 12:00] 5 Alternative Under Twelve Author(s) Yamikawa Kou Status Ongoing Genre(s) Drama - Horror - Psychological - Seinen - Tragedy View 2.000.000 Chapter First Chapter last U12 (Under 12) Content 12 girls are imprisoned in a mysterious prison.Fighting their way through this unjust and abnormal conditiions, these girls have begun a life and death struggle.A harrowing little girl prison escape survival!! U12 (Under 12) List Chapter Read more Maybe coming in the next issue: U12 (Under 12) Chapter 32 U12 (Under 12) Chapter 33