Are the silent twins brothers and sisters or siblings?

Character setting Gagarin (Ling) (リン, Romans: Gagarin)

Age: 14 Gender: Girls' Day: June 17 Constellation: Gemini measurements: 77, 53, 80 Height: 152cm Weight: 43kg Good at music: rock, electronic music, folk songs and pop songs. Peer setting: belly black, natural, cute.

CV: There is no clear answer to her personality, but from her image design and her eyes in Ge Ji's planning, Ling's personality should be the kind that is arrogant and natural, and some people think it is belly black, so Ling Helian is also called belly black twins.

Karma Ren (unfortunately) (レン, Rome: Karma Ren Birthday: June 17 Constellation: Gemini Height: 156cm Weight: 47kg Good at music: rock, dance, folk songs, singing, pop music, peer setting: gentle and natural. Liandi, brother's resume: Author: Ling, 1:02, published in 65438+February 65438+August 2007. Kagamine Ren: Lian, 1:07, made public on February 24th, 2007.