Gueira

* Based on Tsukushi Akihito's seinen manga series. Riko, Reg and Nanachi descend into the Abyss' treacherous fifth layer, the Sea of Corpses, and encounter the mysterious Bondrewd, a legendary White Whistle whose shadow looms over Nanachi's troubled past. Bondrewd is ingratiatingly hospitable, but the brave adventurers know things are not always as they seem in the enigmatic…

* Based on Tsukushi Akihito's seinen manga series. There is no going back for Riko, Reg, and Nanachi, and the only way forward is to the bottom of the Abyss. However, the three friends weren't the first to enter the unknown. Whatever happened to all the other explorers who braved the Abyss? Source: HIDIVE