Seigi's university friend Shimomura introduces him to Okita Ayumi, another member of his club.
Ayumi has been looking for clues concerning her missing boyfriend.
When she visits Entranger, she presents her only lead: a turquoise earring.
Because her boyfriend went missing immediately after giving her the earring, she's searching for the store that sold it.
However, when Richard sees the earring, he behaves differently than normal.
Seigi becomes curious about what's going on inside Richard's head.
Turquoise expresses the sender's wish 
for the recipient's happiness.
.يُعبّر الفيروز عن رغبة المُرسل في سعادة المتلقّي
Ein Türkis drückt aus,
dass der, der ihn erhält,
Regalar una turquesa expresa
el deseo por la felicidad del otro.
Regalar una turquesa expresa
el deseo por la felicidad del otro.
La turquoise est une pierre
signifiant qu’on souhaite
Regalare un turchese significa
desiderare che chi lo riceve sia felice.
A turquesa expressa o desejo pela
felicidade da pessoa destinatária.
Бирюзой даритель обычно показывает,
что он желает счастья получателю.