Demon Slayer. Volume 5. To Hell

Arriving at Mount Natagumo, Tanjiro and his friends are forced to engage in an unequal battle with a family of demon spiders!
Zenitsu will face a poison that turns people into spiders, while Inosuke and Tanjiro will fight the father of demons. It seems that this battle will never end...
Who will come to their aid and rescue them from such a hopeless situation?!