The name of the doujin is 赤黒オメガバースアンソロジー. It is an anthology of the pairing AkaKuro from the series Kuroko no Basket. It was a Haru Comic City 22 exclusive.
2017/03/20
Shinjo
STAFF
Hello,
Thank you for your message.
According to Twitter, your requested item will be released 18 June.
We can sell it if it will be sold by mail order.
Please feel free to ask if you have any other requests.