Despite the strange appearance, Rina eats it all. She even asks for seconds. Kaito realizes that she isn't just eating for sustenance; she is accepting his effort. The next day, he buys a proper cookbook. The "New Menu" marks the beginning of him trying harder for her sake.
So, stop. Let the remaining things fall away. Because on the other side of that full stop is a version of life your ancestors couldn't even dream of.
The first two parts established a formula of interactive storytelling where player choices affect the progression of intimate scenes and endings. What’s New in Part 3?