Expertise: Pursuasion, acrobatics
Thieves cant :thief language
Lucky Bitch: At 1st level, when you roll a 1 on a attack roll, ability check, or saving throw. You can reroll the die and must take the new roll. Equal to half your current level for number of uses. This effect can be regained after a long rest

Extra THICC: ASS mod +4 Milk: +3
Sneaky Puff: 3D6
Beginning at level 2, you know how to strike subtly and exploit a foe’s distraction. Once per turn, you can deal extra 1d6 inflation damage to one creature you hit with an attack if you have advantage on the attack roll. You don’t need advantage on the attack roll if another enemy of the target is within 5 feet of it, and  if that enemy isn’t incapacitated, and you don’t have disadvantage on the attack roll. You learn the cantrip Puff Kiss. The amount of the extra damage increases as you gain levels in this class.
Cunning Action

Starting at level 2, your quick thinking and agility allow you to move and act quickly. You can take a bonus action on each of your turns in combat. This action can be used only to take the Dash, Disengage, or Hide action.

Bodily Alterations

Beginning at level 3, You gain skills to alter your form in certain ways to gain advantage in battle and even learned a bit of magic along the way. You gain two cantrips and Mage Hand along with three level 1 spells of your choosing. 

• Belly Like Stone: your belly turns hard as stone. When taking attacks from the front you gain +2 AC.
  
• Healing Pillows: Whether you have breasts or not, your chest or crotch begins to produce a large amount of milk which can heal 2d10 + Milk modifier, but also causes just as much inflation damage to them once per day, but can stack multiple days inside the part for later use however it will increase the size of the part with each day increasing ur inflation. You gain a Milk modifier every 2 levels starting with 1 Milk modifier.
  
• Junk in the Trunk: your ass can act as a bag of holding of sorts, but you gain a fraction of the weight (¼) which also makes your behind larger.
  

Ability score increase: Char +2
Bountiful Luck

At level 4, you have extraordinary luck, which you have learned to mystically lend to your companions when you see them falter. You’re not sure how you do it you just wish it, and it happens. Surely a sign of fortune’s favor! When an ally you can see within 30 feet of you rolls a 1 on a d20 for an attack roll, an ability check, or a saving throw, you can use your reaction to let the ally reroll the die. The ally must use the new roll. When you use this ability, you can’t use your Lucky trait until the end of your next turn.

Grifter Technique

At level 5, you have become proficient in the art of charm and disguise. You gain charm dice (1d6) which can be used for a couple things. You can use this feature a number of times equal to your Charisma modifier (a minimum of once). You regain any expended uses when you finish a Long Rest. Your Charm die changes when you reach certain levels in this class. The die becomes a d8 at 7th level, a d10 at 10th level, and a d12 at 15th level.

Cutting Words: you learn how to use your wit to distract, confuse, and otherwise sap the confidence and competence of others. When a creature that you can see within 60 feet of you makes an attack roll, an ability check, or a damage roll, you can use your reaction to expend one of your uses of Charm dice, rolling a Charm die and subtracting the number rolled from the creature’s roll. You can choose to use this feature after the creature makes its roll, but before the GM determines whether the attack roll or ability check succeeds or fail. The creature is immune if it can’t hear you or if it’s immune to being charmed.

Encouraging Words: You stir your comrade with your words. You target a comrade within 60 feet using a bonus action to give them a charm die to use for a attack roll, ability check, or saving throw.

Courtly senses and charms: Beginning at level 5, you gain a +2 when conversing with people in someway even if it to sense a lie. This effect increases by +2 every three levels.
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interchangeable feat:

Armor: Light armor

Weapons: simple weapons, pumps, fire arms, longswords, rapiers, shortswords, bows

Tools: Thieves’ tool and Disguise kit 

Skin tight leather suit (gives +2 to charisma related checks toward  aggressive interactions with people such as intimidation)

Burglar’s pack
Thieves’ tools
Disguise kit