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1. To Follow the North Star by Mr_Sword78

   Fandoms: Deltarune (Video Game), In Stars And Time (Video Game)  

   • Mature
   • Major Character Death
   • Gen
   • Work in Progress

   13 Feb 2026

   Tags

   • Major Character Death
   • Kris & Susie (Deltarune)
   • Kris & Kris' Red Soul (Deltarune)
   • Kris (Deltarune) & Siffrin (In Stars and Time)
   • Loop & Siffrin (In Stars And Time)
   • Siffrin (In Stars And Time)
   • Kris (Deltarune)
   • Kris' Red Soul (Deltarune)
   • Susie (Deltarune)
   • Toriel (Undertale)
   • Knight (Deltarune)
   • Hurt/Comfort
   • Crossover
   • Alternate Universe - Canon Divergence
   • Written Pre-Deltarune Chapter Five
   • Angst
   • Possession
   • Spoilers for Act 5 (In Stars and Time)
   • Act 5 (In Stars And Time)
   • Other Additional Tags to Be Added
   • Mental Instability
   • Suicide
   • Self-Harm
   • Trauma
   • like maybe canon typical violence if you stretch it a bit (ISAT)
   • Depression
   • Not Beta Read

   Summary

   In the moment of ultimate desperation, Siffrin sees a future: a new yet untread path to follow. What Siffrin could not foresee is waking up in a body not their own. A different world, with different rules. Be careful what you wish for.

   OR

   Siffrin accidentally becomes Kris' Red Soul, and is forced to deal with the repercussions of that. The world of Deltarune is very different to the world of ISAT after all.

   Language:

   English

   Words:

   8,861

   Chapters:

   2/?

   Comments:

   33

   Kudos:

   86

   Bookmarks:

   26

   Hits:

   1,136