Fics like To Be One Of His Own

Papyrus got friends from other universes. ... So does Sans.

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1. Beasts of Abaddon by EchoFlowerWhispers (Undertale (Video Game))
2. KFC becomes siblings by Laminated_paper_chain (Deltarune (Video Game), Undertale (Video Game))
3. Nocturne Harbour by Hellsaint7w7 (Undertale (Video Game))
4. Falling Out of Trouble by ShadeofSilentFire (Undertale (Video Game), Undertale Yellow (Video Game))
5. ASAP-UNHARM by Hatchett (Parahumans Series - Wildbow, Undertale (Video Game))
6. The Guardian of Positivity is made of Hate and Spite by catdemonakatsukigirl (Undertale (Video Game))
7. Full Disclosure by CrystalHavoc (Undertale (Video Game))
8. Souls And Healing by Rough_TimeST0RIES (僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Undertale (Video Game), more)
9. Vindictive Care by A_Non_ymousWriter (Undertale (Video Game))
10. Before the End by Lost_And_Alone (Undertale (Video Game))
11. tart and bittersweet by rhyssands (Undertale (Video Game))
12. Heart on the Table by Floofanflur (Undertale (Video Game))
13. Bonus Content by SpectrumWriting (Undertale (Video Game), Deltarune (Video Game))
14. Whipped Cream & Denial by SargeWritesFanfiction (Undertale (Video Game))
15. Tiny Terror and Shrinky Dink by Hollowfox (Undertale (Video Game))
16. Make Me Not Wanna Die by NortnaibLovechild (Undertale (Video Game))
17. Strings Attached by Bubblezumi (Undertale (Video Game))
18. Blindspotting by Little_Nymphet (Undertale (Video Game))
19. Same You, Different Font by radskull69 (Undertale (Video Game), Deltarune (Video Game))
20. Antagonistic Desires by ysienz (Undertale (Video Game))