Ijingai Cinema no Ryourinin

When Momo's foster grandfather suddenly passes away and she is left all alone, two men who claim to be her brothers appear before her. The two men are the sons of Momo's biological father, whose existence she had never even known. The eldest brother, Fuyuki, is very rich and kind, while the younger brother, Kai, is adopted and unsociable. Kai owes Fuyuki 800 million yen, and every Wednesday he becomes his slave, making him cook elaborate meals.

In order to get back the movie theater left to her by her grandfather, Momo applies for a loan, but...

Delicious food, masterpieces, and mystery. A cinematic mystery begins!

(Source: Shinshokan, translated)