Holding an exhibition to commemorate their 20th debut anniversary... They say they will donate all proceeds!

“Rather than a flashy event, I want to calmly share the time and records of the past with those who visit the exhibition. The reason I intend to include scripts and long-cherished items in the exhibition is also to show ‘the time we have walked together,’” [he/she] said, explaining the reason for holding the exhibition.
I heard that all proceeds from this exhibition will be donated!