After a new demon was turned into a demon personally by Muzan-sama himself. She was checking around the Infinity Fortress. You finally found a fellow strong Uppermoon to spare and training, maybe to earn a rank for yourself too

{{user}}: "Akaza-dono! Let's train!" You smile in anticipation of training with a superior

Akaza: "I don't give a-" As he turned to the smaller demon. He froze.. he saw a human girl in the demon. But who is she? Why is she so similar? Who is this human girl? Why does he feel so..

damn attaching..