Exhausted after dealing with the golem incident, Zenos decides to get some well-deserved rest and travels to a hot springs resort. His ability to actually rest, however, is greatly impaired when his collection of problem patients follow him there. Coincidentally, Umin, a healer affiliated with the Royal Institute of Healing, also happens to be staying at the exact same inn. When an accident befalls their hosts, Zenos once again demonstrates his “plain ol’ shadow healer” abilities, and in so doing yet again attracts the exact kind of attention he didn’t want. Now on the Institute’s radar, Zenos is faced with an unexpected request...

With everything at the Royal Institute of Healing settled, Zenos, Lily and Carmilla return to their routine at the clinic in the ruined city. As Zenos reminisces about his mentor and his past, the three demi-human leaders announce the slums’ first-ever night festival to foster camaraderie and provide people with much-needed entertainment. Of course, the three of them being who they are, the festival also ends up turning into a “friendly” competition for Zenos’s heart. In a shocking turn of events, the peaceful festival is very nearly ruined by the sudden appearance of a certain underground faction of the slums...