Lotteria is the latest chain to enter Japan's limited-time-only excessively meaty fast food burgers race. They're celebrating their 40th birthday this week and next by offering cheeseburgers and fried shrimp burgers with three to five patties for the discounted price of ¥500 (about $6.35). The "Super Cheeseday" cheeseburger deal is available tomorrow, October 16 (technically today if you're in Japan) and next Tuesday, October 23; the "Super Fryday" fried shrimp burger deal is available this Friday, October 19, and next Friday, October 26. Both deals run from 2 - 8 p.m. on those days.
You could order these burgers on any day, just for higher price prices (which means you probably wouldn't order these burgers): ¥860 to ¥1360 ($11 to $17) for the cheeseburger, or ¥530 to ¥770 ($7 to $10) for the shrimp burger.
Japanese blog RocketNews24 compared a real quintuple cheeseburger from Lotteria to the advertised version, with less than stellar results. The shrimp burger doesn't look so off, though. (RocketNews24 has also made a 30-patty cheeseburger from Lotteria.)