Sumiyama Taishi

拓也的大学朋友，也是佐藤的朋友。他也来到医院和朋友们一起学习。他并不笨，但也不算太聪明，对学业也不怎么上心。相反，他对待工作非常认真投入，非常专业。 当他遇到拓也或佐藤时，就会开始和对方进行无休止的交谈，几乎忘记了周围的世界。

简介来自 VNDB · 由机器翻译生成

Takuya's friend from university and also a friend of Satou. He too is coming to the hospital to learn with his friends. He is not stupid but he is not very clever either and he does not get much involved in his academic duties. By cons he is very serious and involved in his work, he is very professional. When he meets Takuya or Satou, he begins to enter endless conversations with him or her, almost forgetting the rest of the world.

简介来自 VNDB