The Anime Lad
Quiet college student Ken Kaneki gets a date with another reader. She attempts to eat him. After emergency surgery, ordinary food becomes unbearable and unfamiliar hunger takes its place. Tokyo still looks normal, which is inconvenient because ghouls already live throughout it. A neighborhood coffee shop introduces others living under the same hunger.
Gigguku
Kaneki finally gets a date with someone who loves the same novel, and the night collapses into pure body horror. Then breakfast becomes worse. A single bite of ordinary food makes his new reality impossible to deny. The café scenes are what grabbed me. People he was taught to fear pour coffee and make room for someone terrified of his own appetite.
Father's Basement
The gore announces itself before the characters have much room to breathe. Kaneki's failed meals are more effective. He can still sit beside his best friend, but sharing food now requires an explanation he cannot give. The café offers information without pretending the situation is simple. That everyday discomfort gives the monster premise its sharpest edge.