木場 祐斗

一名11年级学生。自称是伊诚最好的朋友，也是学校的王子。他是“圣剑计划”的受害者，也是唯一的幸存者。他在濒死之际被莉雅丝救下并成为她的眷属，但仍然发誓要向那些将他当作实验品并杀害他朋友的人复仇。他对圣剑Excalibur也怀有极大的仇恨。

简介来自 VNDB · 由机器翻译生成

An 11th grade student. Self proclaimed best friend of Issei, and the school prince. He was a victim of the "Project: Holy Sword" where he was the only sole survivor. He became Rias' servant when she saved him from death, but still swore the accomplish his revenge to those who treated him as test subjects and disposed his friends. He also harbors a great hatred towards the holy sword Excalibur.

简介来自 VNDB