On Friday, November 6, 2026, McDonald’s Japan Co., Ltd. posted a collaboration video on its official X account ( @McDonaldsJapan ) featuring the rock band “LUNA CHEE” promoting “Street Fighter II” (hereinafter “SFII”) and the limited-time “Chee Chee” burger series.
Fans have expressed surprise at the video, which features a match between the members of “LUNA CHEE” and “RYU” from the Street Fighter series.
"RYU" vs. "LUNA CHEE"?! McDonald’s "Chee Chee" Series Collaborates with "SFII"
ストツーにルナチー参戦!#ストリートファイター pic.twitter.com/FHr86apMRw
— マクドナルド (@McDonaldsJapan) November 6, 2026
McDonald’s “Chee Chee” Series and “SFII” Collaborate in a Web Commercial!
The band facing off against “RYU” in the video is “LUNA CHEE,” an officially endorsed cover band project of the legendary rock band “LUNA SEA.”
With Kiyoshiro Kato serving as lead vocalist, they perform “Chee Chee ROSIER”—a parody of LUNA SEA’s signature song “ROSIER”—in the new commercial, the “Chee Chee: Let’s All Be LUNA CHEE” edition, set to air on Tuesday, November 3, 2026.

At 7:00 a.m. on Friday, November 6, 2026, an image of “???? CHEE” vs. “RYU” was posted and became a hot topic on X.
While the "Chee-Chee" series had been hinting at a collaboration with "Street Fighter II," a match video featuring "RYU" and "LUNA CHEE" was released at 5:30 PM that same day!
"LUNA CHEE" vs. "RYU"—who will win?
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In the video, a member of LUNA CHEE—who sings “Chee Chee ROSIER”—faces off against RYU.
After the battle, RYU was actually defeated!
The unexpected twist—where RYU ends up becoming a LUNA CHEE fan—has drawn comments from X users like, “So you’re becoming a fan now?”
This video features items from the “Chi-Chi” series—including “Chi-Chi Teriyaki ” and “ Chi-Chi Dubchi ”—as well as the new product, “ Chi-Chi Teriyaki Chicken Juicy Mac.”
They are available for a limited time at McDonald’s locations nationwide from Wednesday, November 4, 2026, through Tuesday, November 24, 2026.
If the collaboration video with “Street Fighter II” piqued your interest, why not take this opportunity to give them a try?
For the latest news on the “Street Fighter” series, please check the official X account ( @StreetFighterJA ).
Here comes a new challenger! pic.twitter.com/gtixfvpB5j
— マクドナルド (@McDonaldsJapan) November 5, 2026

