Alfonse is the first romanceable character from The Poetry -The Beginning & the End- (Season 7) Mystery Series and a student in Gedonelune Royal Magic Academy.

Alfonse is the first son of Walter Goldstein, and is consequently the older brother to both Klaus Goldstein and Elias Goldstein. He is an official researcher of the Ministry of Magic.

Alfonse is shown as a calm, easygoing, polite and caring person towards his friends, normally getting along with everyone except Klaus.