When you first meet her, she is fully concealed by her armor, the only bit of her visible being her ponytail. She usually is wearing a black tank top, blue jeans and boots. However, she has bangs on her date with Alphys. She has long red hair that is usually in a neat ponytail behind her head. She has one yellow eye, and eyepatch over her other. Undyne can be seen at the beach with Alphys, kissing her on the cheek in the true pacifist ending credits. On that date, Alphys confesses her love to Undyne and they wind up a couple in the end. You can later receive a letter from her to give to Alphys, asking her on a date. However, her house burns down in the process. Despite her hating Frisk's guts, if they make sure she doesn't die, Frisk can become friends with Undyne. She is the main antagonist throughout Waterfall, and tries several ways to kill Frisk. She is trying to kill Frisk from the second that she knows they exist. 'Fun' value 91-100 = Horny kid appears in Waterfall.Undyne is the head of the underground's royal guard, and one of the main bosses in Undertale.'Fun' value 66 = Fake hallway appears in Waterfall, giving the player the Old Keycard, which grants access to the True Lab.

Fun' value 65 = Sound test room appears.'Fun' value 63 = Gaster theorist #3 appears in Hotland outside the L2 elevator.'Fun' value 62 = Gaster theorist #1 appears in Hotland outside the е…ѓ elevator.'Fun' value 61 = Gaster theorist #2 appears outside the R1 elevator.'Fun' value 56-57 = Nightmare porn picture puzzle replaces the regular porn picture puzzle.'fun' value 80-89 = Clamgirl appears, and will ask the character if they've ever had a blowjob for a clam, as their daughter was looking for work.'fun' value 46-50 = Alphys pizza call changes to ask if the details for a sex toy is correct for a client of hers.'fun' value 40-45 = Sans refrigerator phone call changes to ask if the package you ordered has arrived yet.'fun' value 2-39 = Wrong number phone call from MTT who was supposed to call their director.

This means that reputation has been added as well.

Talking to characters now works like FALLOUT and THE ELDER SCROLLS with the dialogue tree.

Selecting cosmetic items change the players appearance in game.

ACT-ing has been tweaked to better fit the game style.

After selecting an action, a small mini-game and scene plays on the screen.

When selecting FUCK, this brings up a menu of actions similar to ACT-ing.

New Home houses Chara, Asriel, Toriel (Provided she isn't at the ruins), and Asgore.

New Home has a house for one of the six humans.

MTT Resort houses both Mettaton and one of the six humans.

The True Lab is harder to access, and is the hiding place of W.

Alphys lab serves as a custom made sex toy workshop.

Hotland has an additional house for one of the six humans.

Mettaton's House is an abandoned sex villa.

Waterfall has an additional house for one of the six humans.

Sans + Papyrus's Garage is a sex dungeon.

Snowdin has an additional house for one of the six humans.

Toriel's House in the Ruins has a sex dungeon in place of the renovations room.

The Ruins are a semi-abandoned sex dungeon.

Toriel's House houses one of the six humans.

Asriel is the submissive brother to Chara and the Six Humans.

Chara is the slutty sister of Asriel and the Six Humans.

Mettaton is the famous adult film star and entertainer.

Gaster is the un-infected scientist trying to reverse the effects of the aphrodisiac.

Undyne is the head of the Royal Guard, which was formed to keep any overly sex crazed monsters in check.

Papyrus is the submissive younger brother to Sans.

Sans is the dominant older brother to the submissive Papyrus.

Toriel is the wife of Asgore, as well as managing and cleaning the Ruins in her spare time.

Please note that all characters who engage in sexual activity within this AU are of legal age of consent (18 years+) Undertale Characters

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