This sound is from Happiness ~Shoujo wa Gensou de Koi wo Utau~ Happiness ～少女は幻想で恋を唄う～ Happiness ~Girls Singing their Love in an Illusion~ Touhou Koumakyou ~ the Embodiment of Scarlet Devil. Touhou Eiya...

Video game music from Happiness ~Shoujo wa Gensou de Koi wo Utau~ Happiness ～少女は幻想で恋を唄う～
Happiness ~Girls Singing their Love in an Illusion~
Touhou Koumakyou ~ the Embodiment of Scarlet Devil.
Touhou Eiyashou ~ Imperishable Night.
Touhou Fuujinroku ~ Mountain of Faith.
Touhou Chireiden ~ Subterranean Animism.
Touhou Suimusou ~ Immaterial and Missing Power.
Touhou Hisouten ~ Scarlet Weather Rhapsody.
Touhou Youyoumu ~ Perfect Cherry Blossom. for Windows. Published by FRONTIER CREATE (2009). Uploaded by ViviVGM.