"其の掌に刺さる棘" (Sono Tenohira ni Sasaru Toge) is Hikari Shuuyou's fifth album, consisting of 9 tracks. They are all rock songs sung by Kagamine Rin Act 1, first distributed in C81. It consists of one new track and 8 new unpublished ones by Hikari Shuuyou. CD purchase (Available): D-STAGE. The crossfade can be heard at Nico Nico Douga. The album is purchasable in the iTunes store and Amazon Mp3.