Supertale Stories

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The title says all!

One day our favourite heros Ruby and Alex (from super 4) found a mountain. They fell in and they found theirselfs in underground with a lot of different monsters. Suddenly, Ruby fells in love with one of Skelebrothers, Sans. Ruby and Alex were friends with all monsters. Then Ruby found a talking flower, Flowey. Flowey enters in Ruby's body and Ruby started to kill all monsters. Will underground still alive or death?