They headlined an all-Yorkshire rock festival in June 2021 with support from The Wedding Present , Skylights and The Pigeon Detectives .
In June 2021, the tour with Bad Religion was rescheduled with the first show taking place in Riverside, California , on October 15, 2021.
In June 2021, it was announced Asian Kung-Fu Generation would provide the theme song for the new My Hero Academia movie My Hero Academia: World Heroes Mission called ” Empathy ” .
Borland provided an album update in June 2021, detailing the struggles with the album:
On May 31, the band digitally released “Mirai”, their first new song in almost five years.
On May 29 and 30, the band played two concerts named L’Appy Birthday at Chiba’s Makuhari Messe.
Following three days at the Tokyo Garden Theater from May 28–30, which were originally intended to be the Grand Final of the 30th anniversary tour
followed by “Tied to a Tree” on May 25.
On 22 May 2021, the band participated in the Live at Worth Farm broadcast, showcasing a new song called “Human Heart” with R&B duo We Are King .
“Stop Making This Hurt”, the third single, was released on May 18, 2021.