Akai Houseki No Himitsu Summary:

Susannah is an editor. During a party at a book fair, she sees a portrait of a woman who is wearing the same red necklace as her. Intrigued, Susannah steps closer to the painting, only to be engulfed by a mysterious light that transports her 100 years back in time! To make matters worse, Kane...
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List Chapter: Akai Houseki No Himitsu