Happiness manga volume 10 features story and art by Shuzo Oshimi.

After ten years, Makoto and Sakurane’s reckoning has arrived. The inevitably bloody confrontation between the two monsters brings an end to one story, but marks the beginning of others. Gosho now faces a life marked by unimaginable trauma. Makoto’s mother struggles to find resolution while never truly understanding what became of her son. And Makoto himself faces eternity.