Suddenly appearing and touching women, licking them all over: This is the modus operandi of the mysterious gangbang creatures known as "Osuwarigumu". Their point of entry is unknown. Four of these creatures invade the home of a clear-cut college girl and lick her marshmallow body relentlessly while she's asleep! Upon waking, they mercilessly thrust their cocks into her, despite her resistance. Unable to fight against the pleasure, she ascends to heaven!