CassandraCream

Cassy_Black is her goddaughter, and is being trained by the world's leading expert on breasts. Namely, her 'Aunt Cass'.

Additions to her boobs (within the RP's own canon unless a double asterisk is present):
Felix_puppington, who dove in for the milk and never came out~
Nekonya, who couldn't resist their allure
Elphic, who succumbed to their massive size and shape
Momma_Vivi, who bowed her head in respect and never got to pull it out
Amber_Darkangel, who regenerated thanks to being an angel but has a remnant within Cassandra anyway
Kingpin, a client's competitor whose fat came in real handy on her chest, his arrogance sealing his fate
Various members of Hailstorm_Alts...don't ask
Elliaen, a spy who didn't expect her chest to be so magnificent...or deadly
Katherine_Parker, an irresponsible housekeeper who got too curious
Paula, a little lost naga who found herself lost in the wrong place, wrong time
Claire_Steinkeller, who got too arrogant with a meal of her own
MadelinePeko, work in progress
Joe_Tifanel, who went from an observer to part of the process
ShadowWalker, who followed a pheromone trail to his demise
Kane_Cursed, who indulged her by surprise
Sona_DJ, though her music was enjoyable
slaveatif, who devoted himself to her holy boobs (his brother as230168 later followed)
Marcey, who did a milk-for-milk trade before aiming to have much more
Chizuru_Honsho, a breast-obsessed girl who took a really deep nap in her cleavage
Faith_Flutters, a bunny-girl masseuse who wanted nothing more than to get big boobies of her own, but Cassandra had a different definition
Saris_, who was voted in to become snekmilk of different flavors
Azelia, who along with Menyra sampled some of the snekmilk and got sampled herself
The_Tifa_Lockhart, a meal she ordered from a special place that she might consider having again
Arteku_Noth, a meal who wanted to know all about her tits before entering them permanently
Visus, who swan-dove into the cleavage after Cass ate a tree for show
TastyHuman, work in progress
Nicci_Meirin, drank some milk to make some milk
Jake_Durgleson, a traveler who copped quite the feel indeed
Crystal_L, waitress turned milkshake
Candle_, a hot and spicy meal
Alis, a hiker she fed and fed on in return
Andy_K, who jumped in on first sight
Fleance, an arctic fox who followed a delicious milky smell to her doom
Franco's mother left him for her to take care of, and she certainly didn't pass up on the chance
Lil_M was a little girl who felt ashamed of her size, but she contributed to Cassandra's quite nicely
Sybiro might have seemed light, but still satisfied her as a meal
NanamiChiaki witnessed the right nipple chow down, so she became the left nipple's next meal
Leila_Ironanvil literally fell into her nipple, so that's where she stays!
Riju, her royal guard, and even some bonus visitors to the kingdom provided lovely snacks for the large-breasted assassin passing by~
Blue_WR fell victim to her pheremones and her cleavage
RoseDrake got waaaaaay too curious, nearly blowing Cassandra's cover...but ending up inside instead
Render from Ace_Express fought her to a standstill, then did a trade. Turned into milk to drink that milk.
Lokie dove in...not much more to it
Qual_Trix was an eager guest at a bar
Ru_Ash wanted to get as close to a woman as possible, and he did~
Cassie_Priam finally got close for some Cass in Cass action~
Xenos_Suit_Samus lost a winner-take-all bet to capture a monster. Now the monster's in the left breast, Samus is in the right, and both are living trophies of the hunt!

Pets/Servants:
Shadow, who bargained escape for a weekly visit
Issac, her boob pet and slave
Sollo, who asked to be eaten every so often
KyleTam, who gets her meals in return for being spared
Devon_Fencer, an alchemist who works his magic for her purposes
Variel, a volunteer who didn't know what he was getting into
Grett, work in progress
Mikayla, who all but requested it
Menyra, a "wrong-number" scenario turned mutually beneficial
Happy_Kitty, a "boob luck charm" as it were
Stephen_, though more of a stepson
Jeraz decided to become a manager of her flesh, milk, and meal process for every time he's in there...and with practice has become rather good at the job

Constantly eaten friends:
Draconus, who really can't keep away from her tits for very long
Hillary_Juggs, an inspector of boobs and frequent addition to them, regenerated for more
Milky_Duo, who gave her a taste before being added to her own "milky duo", got reformed with larger breasts as thanks
Lilim_Iso, who went from a targeted artist to foster daughter
Lalim, similar case to Lilim_Iso
Orphani, who has earned the special treatment for whenever milk is needed
Sonya_Grey, her adopted daughter

Other relationships:
Claire_Wilson, who joins her for a meal
Neko_Kim, who she lets use her tits as a bed
Sabel, a business rival who often loses to her
Nexusalts, who she has been hired to protect from those after him
Jasperic, who she was hired to capture but the client was liquidated mid-job...and now she has no idea what to do with him
Shota_Sorcerer, Krista_Ukanmuriman, and Alacrisa; a milk-loving posse
OldOne, someone whom she challenges to properly please her
Circelis, a tailor who challenges herself making silk clothing for Cassandra
Ruka_Furna, similar situation as Neko_Kim
Izina, who needed a place to sleep
Micro_Steve, who she picked up in an airport in a...special way~
Bretissy sorted a few boxes and received quite an inner boob island vacation as a result
JbladezSword was a bartender whom Cassandra gave a first class ride out of some trouble

UNSORTED:
Olivia_The_Dragon desperately wanted to be turned into milk...so in exchange for getting appetizers for Cassandra, she got what she wanted.
RachelBabe and Cassandra had low-key hung out a few times, but it never made the list before...now it has!
Miles_King would only go to one person to guarantee his demise. As he should.
TastyHuman and wife paid her to turn them each into milk, swallowing them feet-first into her nipples so they could watch each other sink in.
Interesting, milky shenanigans with HatsuneMikuCV01
Mousegirl_Alice was a target for stuffing her own boobs with enough girls, and made wonderful milk~
Karin_Kanzuki_SF pissed off enough people to pool their money and afford a kidnapper like Cassandra.
D_Dustin tried to cash in his poker winnings...but since he cheated, only Cass' breasts got any profit.
Novraria pissed off one too many crime bosses and even her own superiors, so Cass was sent in. She interrupted her interrogation of known gang members, took out the cop, and then the gang members for a bonus.
Tiki_awakining fell to Cassandra as an inkeeper, and was too useless to keep alive.
Keynara was a thief trying to rob a manor blind...but she arrived as Cassandra had just finished clearing the place out, including the staff. One more for the snack pile then~
Cassette was a criminal on the street lured into a trade of merch for money...when really it was a trade of tit for bigger tit, and Cassandra took all~ Bunni_Love was a meal obtained in a private lounge during Cassandra's off-hours.
Vakeneo had hired the OXIRA_Foundation to keep her house tidy. The only problem was, Cassandra was after their employer, and they got in the way. No witnesses~
Joanna_Yunevich was one of twenty-four potential brides to a rich prince...intercepted by Cassandra and delivered to the prince as milk instead!
ProfessionalAlexis hired Cassandra to help clear the crowd and get her to work...then to devour entire companies since she was so good at it the first time!
Cindy_Shima and her friends ate so many people they got on her list...yet were no match for her breasts when she challenged them~
Laz_rus was a gangster whose entire operation was sent down that cleavage! She toyed with her food for a while, though.
Wonder_MILF interrupted Cassandra hired to take out her archnemesis...so she was a fun boob toy all while the assassin ate the villains out of house and home!
Symon witnessed her in action, and as a compromise to be anything other than her milk, ended up as titfat instead!
Garcie was a member of a crime family Cassandra was sent to liquidate...they made things awkward, so she had fun with it!