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  1. Breast expansion
  2. Doctor's Visit
  3. Toriel
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by Drakin Author IconMail Icon
Rated: GC · Interactive · Fanfiction · #2110264

Certain characters from the game Undertail are getting large in various ways.

This choice: Breast expansion  •  Go Back...
Chapter #5

Breast expansion

    by: Unknown
“You're joking, right? You can't be serious!” Alphys was taken aback by Toriel’s outburst.
“T-Toriel I'm not j-joking, this is a treatment I've been developing on the side. I-It's highly experimental but as far as I know, it will make your b-breasts grow” said Alphys with her usual stutter.
“This treatment will allow you to s-store magic energy in your breasts. J-just be careful, ok? I haven't t-tested this yet” Alphys explained with her face turning red from the embarrassment. Alphys had a major breast fetish, all those anime girls with huge tits had only strengthened it.
“I'm g-going to give you some anesthesia Toriel, you won't feel a thing. I'll wake you up once the procedure is finished and after I've run some final ch-checks”
“O-okay...” replied Toriel, sounding slightly nervous. Alphys then injected the anesthesia and Toriel quickly fell unconscious...

You have the following choices:

1. The treatment is successful!

*Pen*
2. Something unexpected happens

*Pen*
3. There are unexpected side effects.

*Pen* indicates the next chapter needs to be written.
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