Massacre Happy End: The Blue Chapter

Ao Minato, a young man who murders his stepfather who repeatedly abused his family, ends up in a juvenile detention center. However, the sister he was supposed to protect commits suicide due to her suffering, and their older sister Akane has gone missing.

Ao arrives at a certain shrine and prays for his sister's safety, his only hope, and vows to the god that he will do anything for that, but...

The blockbuster panic suspense "Gyakusatsu Happy End". The new chapter has finally begun.

(Source: Young Animal Web, translated, edited)