Deciding what to order for a long weekend is a big deal. If you have a roommate, it's even harder if they don't have the same tastes as you. Why not order for both of them? What if you can't afford it? After all, it's more efficient to have one menu.
The food ordering battle is something you can do every weekend. Before, there was nothing to do on the weekends except work part-time, come home and relax(if it wasn't raining), but now you can order delivery. This helps her manage her stress and likability. Of course, you can choose not to, and there's no penalty - it's your choice.
If you like the same food as her, you can order delivery and be done with it, but if you have different tastes, you'll have to fight for it. I've implemented this system like a card game, and this is the minigame going to introduce.

The first important thing is to choose your food, which you can do by clicking on the food pictures on the flyer. There are 7 foods: Jajangmyeon, Jjampong, Tteokbokki, Hamburger, Pizza, Sushi, Salad, and Jokbal.

Each food has eight different cards.
The cards are categorized into six attributes: taste, quantity, value, time, health, and fancy.
'Taste' is a kind of wild card, which can beat any attribute. The rest of the attributes have a recursive relationship: amount -> fancy -> health -> time -> cheap -> amount.

Observe what food she chooses, predict what attributes it has, and play your card!
If you win, you get to eat the delivery of your choice. If you lose, you'll have to order the delivery she wants. Good luck!
(Food ordering battle is not included in the demo version)