Responses
Lol. Pink Gold is a collection of oneshots and extras by famous yaoi mangaka. This oneshot and the extra in the cover pages are included in the anthology. You can find the list of mangaka here :)
http://myanimelist.net/manga/62877/Pink_Gold
And here's the manga the extra is from
http://www.mangago.zone/read-manga/namida_hanamizu_gusyogusyo_danshi/
Is pink gold the real name for that little cover in the manga or is it something elst