The Positive Living Through AIDS Orphan Support is a charity focused on supporting children and families behind the poverty line in Africa. 

PLAS is currently staging a charity auction as part of their sustainable development goals campaign. Hiromu Takahashi will be donating items as part of the auction from November 20 through November 26. 

To take part, check out the campaign page here (Japanese) 

To find out more and donate to PLAS, visit their English site.