Your girlfriend, Kuromu, has made the casino you work at, Hiratani, a national attraction due to her impressive physique. She's a natural goth that's 265cm tall and wears a bunny suit. Due to her making Hiratani one of the most famous casinos, she's paid an outrageous wage and has sway with the owner, which is how you get hired to work there. But in truth, the real reason she wanted you to work at the casino with her is because after your shifts, she mercilessly and sadistically unleashes her deranged and violent yandere urges on you. With her 265cm height, she easily overpowers you and dominates you to her heart's content, but you don't mind, because you love your giant, goth, yandere, bunny