Utako Yukihiro – illustratör

Richard Ranasinghe de Vulpian is a brilliant and enigmatic British jewelry appraiser. Seigi Nakata is a young college student. Their worlds are as different as can be, but when a chance encounter leads Seigi to hire Richard to appraise a family heirloom, it sparks a partnership that goes well beyond that one job. Together, the duo investigate jewelry-related cases and solve mysteries, finding the secret messages hidden in the hearts of precious stones - and the hearts of those who possess them.

When Seigi Nakata rescued a handsome young jewelry appraiser from a group of drunken assailants, he got more than he bargained for! The appraiser is Richard Ranasinghe de Vulpian, a brilliant and mysterious British jewelry expert. Seigi hires him to appraise a family heirloom...and that is just the beginning. Together, they unlock the secret messages hidden in the hearts of precious stones–and those who possess them.

When Seigi Nakata rescued a handsome young jewelry appraiser from a group of drunken assailants, he got more than he bargained for! The appraiser is Richard Ranasinghe de Vulpian, a brilliant and mysterious British jewelry expert. Seigi hires him to appraise a family heirloom...and that is just the beginning. Together, they unlock the secret messages hidden in the hearts of precious stones–and those who possess them.

Acting on information from Saul, Seigi makes his way to England in pursuit of his wayward boss. When the beautiful jeweler’s tortured past comes back to haunt him, what’s his knight in shining armour to do?!Series Overview: When Seigi Nakata rescued a handsome young jewellery appraiser from a group of drunken assailants, he got more than he bargained for! The appraiser is Richard Ranasinghe de Vulpian, a brilliant and mysterious British jewellery expert. Seigi hires him to appraise a family heirloom...and that is just the beginning. Together, they unlock the secret messages hidden in the hearts of precious stones–and those who possess them.

At the request of Richard’s mother, Catherine, Seigi travels with Richard to her vacation home in Provence in the south of France to meet her. On arriving, however, they find a mystery awaiting them in the form of a strange girl named Octavia, and an even stranger treasure hunt Catherine has set up for them. Can they find the thirty gemstones hidden across the estate? And if so, what else might they unearth?

A declaration of martial law in Sri Lanka sends Seigi temporarily back to Japan - until a strange message has him flying to Hong Kong to meet with one Vincent Lai, the man who seems as determined to betray Richard as he is to keep helping Seigi. What does Vincent truly want from them? And what will Seigi do once he reunites with Richard?

When Seigi Nakata rescued a handsome young jewellry appraiser from a group of drunken assailants, he got more than he bargained for! The appraiser is Richard Ranasinghe de Vulpian, a brilliant and mysterious British jewelry expert. Seigi hires him to appraise a family heirloom... and that is just the beginning. Together, they unlock the secret messages hidden in the hearts of precious stones - and those who possess them.