A possible concise summary is:
Egashira, a 56-year-old comedian, tries various Mos Burger menus for the first time, accompanied by his friends. He usually only likes teriyaki burgers, but he is surprised by how delicious the other burgers, side dishes and desserts are. He gives high ratings to most of the items, except for the rice burger with yakiniku meat. He also makes fun of McDonald's and compares it unfavorably to Mos Burger. He ends up loving the coffee flavored milkshake the most and praises it repeatedly. The video is meant to be humorous and entertaining.
Here are the key facts from the text:
1. Egashira is 56 years old.
2. Egashira is trying Mos Burger for the first time.
3. Egashira likes Mos Burger's teriyaki burger the most.
4. Egashira also likes McDonald's.
5. Egashira's favorite food at McDonald's is an apple pie dipped in a milkshake.
6. Egashira is trying various Mos Burger menus, including the OniPote, Mos Spicy Burger, Special Cheese Burger, Meat Katsu Burger, Clam Cream Soup, Mos Rice Burger with Yakiniku Meat, and Coffee Flavored Mos Milkshake.
7. Egashira rates the Mos Burger menus as follows:
- OniPote: no rating given
- Mos Spicy Burger: 80 points
- Special Cheese Burger: 70 points
- Meat Katsu Burger: 90 points
- Clam Cream Soup: 90 points
- Mos Rice Burger with Yakiniku Meat: 55 points
- Coffee Flavored Mos Milkshake: 120 points
8. Egashira thinks that Mos Burger's level is high and that everything on the menu is delicious.
9. Egashira thinks that Mos Burger's research and development department is great.
10. Egashira thinks that McDonald's Double Cheese Burger is not that great.
11. Egashira thinks that Mos Burger's rice burgers do not go well with the concept of burgers.
12. Egashira likes espresso and coffee-flavored milkshakes.