While looking for Haruka in Burgundy, Sawaki and co. stumble on Marie, a French girl who also speaks Japanese and has a striking resemblance with Yuuki. The trio is drafted by Marie to work as waiters in a special banquet held at her place, and much to their surprise, they finally meet Haruka in the occasion.
フランスにやってきた沢木たちは、ワインの銘醸地・ブルゴーニュの玄関口なら長谷川は必ず通るはずという勘だけを頼りにボーヌへと降り立つ。
葡萄畑が連なる黄金丘陵で、長谷川を探す3人。そしてグラン=クリュ街道に入ったところで蛍にそっくりな少女マリーに出会う。