J-Pop idol and former Morning Musume member, Sayumi Michishige, has announced her retirement. Following this, Yoshinoya, a popular fast-food chain in Japan, has publicly lauded her impressive career and contribution to the music industry. The timing and other specifics regarding Michishige's retirement have yet to be disclosed.
Retirement announcements of people in the entertainment industry, particularly J-Pop idols, often draw significant attention within Japan. This is further magnified when a prolific figure like Michishige is involved. When public figures retire, it's common for brands or companies to comment or pay respects, as Yoshinoya has done in this instance, partly for their association or collaboration with them in the past.
In a similar vein to how certain US or EU-based fast-food chains, like McDonald's or KFC, may give public shout-outs to retiring athletes or celebrities they've had endorsements with, Yoshinoya has chosen to honor Michishige publically. This custom is practiced globally to celebrate the careers of public figures.