In this chapter, we see Tandoji growing closer to Ruri and gaining confidence in the importance of her help. At the same time, we are introduced to two new characters, Knight and Fei, who face difficult situations and rely on injections to avoid turning into a "Dark Stone"; our protagonists discuss a rescue plan with Dr. Kenmi, as their supply of injections is running low and they will need more from him. In the end, we see Tandoji fighting against Knight, let's take a look at this exciting chapter and find out who wins.