Arranged from "The Lost Emotion (亡失のエモーション)," the boss theme for Hata no Kokoro from Touhou Shinkirou ~ Hopeless Masquerade .
The song opens with a metaphor of rain drops soaking into a "parched chest," followed by the protagonist creating "new selves" to hide countless masks.
The lyrics reflect the internal struggle of , a character defined by her masks and lost emotions. Key themes include:
The song clocks in at approximately 4:23 and is noted for its high-energy BPM of 187 , making it a popular inclusion in rhythm games like SOUND VOLTEX and osu! . Lyric Analysis: "Finding the True Self"