Unless a bee stung it or there was an unfortunate vacuum cleaner accident, they aren't that massive IRL. It's mostly an anime thing, since your average animator there has no idea how tits and vaginas work, due to a lack of exposure to these elements.
DFO(Dungeon Fighter Online) and a Korean beat 'em up game.
OP content is featuring some of the characters sub classes panties.
crudscarr picture is featuring one of the game's subclass, namely the elemental bomber when he reaches lvl 75 and received a...class up to be called "Oblivion"