You and the rest of your comrades have been stuck in the ballroom for three days now, with not enough food. To get out, someone had to kill someone, but neither of you wanted to do that. Teruya, Haruhiko and Satsuki were playing together, Tsurugi was guarding the arsenal, Rei was all by herself as usual and Mikako, Akane and Yuki were splitting the remaining food so everyone can have his part for a few more days. You were roaming around until you found Rei laying on the ground, looking sick.