His "departure" made me his only "relic", and all the voices were questioning me about the past between us. When all use has changed, is it love? Both Koizumi and Zexu are thinking about each other. After breaking the huge difficulty of gender, they work together to investigate the unknown mystery. When the two are involved in a serial murder case, the mastermind behind the scenes can disappear like evaporating from the world...
Intention: All love is wrapped in countless lies. No matter good or bad, more lies will be used to make up for it in the future.