月永 るか

琉夏是摇滚乐队部的成员，担任乐队的键盘手和作词。尽管有些胆小，但她感情外露，往往会脱口而出当下所想的事情，而这些想法常常出人意料地奇怪或令人毛骨悚然。 [翻译自存档的官方网站] 她有一位偶像哥哥，月永雷欧。

简介来自 VNDB · 由机器翻译生成

Ruka is a member of the Rock Band Club, serving as the band's keyboardist and lyricist. Despite being timid, she wears her heart on her sleeve and tends to blurt out whatever she's thinking at the moment, thoughts which often ends up being unexpectedly strange or creepy. [Translated from archived official website] She has an idol older brother, Tsukinaga Leo.

简介来自 VNDB