Croa Chimera

A friend of Luca's, Will, who comes from a disadvantaged social group, has disappeared. The only lead Luca has is Will's interest in a club in the entertainment district, where a performer named Yue works. Will had mentioned wanting to visit the club together. When Luca goes to the club to talk to Yue, he is attacked and badly injured. Yue discovers him and takes him to her acquaintance Takaomi for treatment. It becomes evident that Will has contracted a chimera illness spreading among the lower classes. Luca is resolved to locate and rescue his friend.