kinda nsfw. word count: 3627.
"Hiyorin?” Kofuku had noticed; she peered over, head tilted. Her mouth moved and she appeared to be speaking further but her words were lost against the booming of Hiyori’s heartbeat in her ears.
Finally the grip around her tail loosened. Hiyori’s breath burst out of her; and then she held it again as the grip changed, lightened. Now instead of a suffocating clench, the feeling that moved through her was gentle, warm — it ballooned, rising from the base of her spine, moving both up — and down —
“Hello? Hiyoriiin?” Kofuku called again. “Are you alright?”
Hiyori opened her mouth to reply and, to her horror, all that emerged was: “Haah —”
The pressure ceased. The kotatsu blanket beside her wriggled, and Yato burst out of it.
"H-Hiyori? What was that noise?"