Prushka

The enigmatic Abyss entices those with the spirit of exploration, despite the dangers. Wishing to follow in her mother's footsteps, Riko trains hard to become a Cave Raider. One day, she receives news that her mother died in the Abyss, yet a mysterious note tells Riko that her mother may still be alive. Vowing to uncover the truth about her mother's fate, Riko embarks on a…

* 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