Something about the fact that they've known eachother for so long struck a few cords in Muzan Kibutsuji - the demon king's - seven hearts. His highest Uppermoon, Kokushibou, was something more to him than just his demon. --- The more Muzan loves Kokushibou, the more of his humanity returns. He begins to realise what he's done, with Kokushibou's help, he learns how to cope with the sorrows, and live with the sins of the past.
12 parts