Reg , Riko , Nanachi , Faputa , they are going on an adventure together in the Abyss, but by chance they see a huge cave, they go in there and see if anyone is alive (Riko) hello ? anyone here (Faputa smell) sosu~ (Reg) Careful Riko, it's in there somewhere (Nanachi) mya~ This place looks like more than 300 years