[Momoya (Momo Chobi)] Ane Gari Nishino-san (MTL)

A teacher eagerly anticipates a night of domination, clutching a “Panty stock” while a bound slave whispers obedience pledges; the story unfolds through a series of explicit vows and a “punishment” scene where a dominant sister‑teacher commands a submissive sibling, all underscored by a formal pledge to Ms. Mayu Nishino.