Shiki’s psychological trauma in Tsukihime originates from two sources: the Nanaya massacre and his adoption. Yukimi’s inability to be a "real mother" fuels his feelings of rootlessness. In the Kagetsu Tohya fan disc, Shiki has nightmares where Yukimi’s face morphs into that of a stranger, symbolizing his fear that her love was conditional.
On the surface, Yukimi appears to be a quiet, introverted bookworm who spends most of her time drawing manga in the school art room. However, this placid exterior hides a soul tormented by selective amnesia—a condition that defines her relationships and fuels the central conflict of her narrative. yukimi tohno