It is an application that manages inventory and sales of products and distributions (hereinafter "products") at events such as doujinshi sales.
Product management: You can manage the number of stocks, the amount, etc.
Event management: You can manage the date and sales items. You can set the sales price for each event separately from the product management price. After the sale is over, you can download the sales results (share as a csv file by watching a short advertisement).
Sales function: You can record the number of products sold, the amount, and the time. Calculate the total amount and change. After the sale ends, unsold items are returned to product management, so inventory management is possible.