tattoos on his right shoulder and back, which has been implied to have a connection to Tsukiko. An interesting quirk about Rikuo is that he likes sweet things such as chocolate, which is considered unusual and un-masculine in Japanese society. The owner of the Green Drugstore, Kakei is the one who sends the two boys out on missions, usually without telling them everything first. He seems to know exactly how things will turn out due to his power of precognition, however it has been noted that this power cannot be used on someone more powerful than himself, as in the case of his failures to find Tsukiko for Rikuo. Kakei is a very beautiful person and has a gentle, kindly air about him. However, he is also very mysterious, and his expression often changes quickly from gentle and kindly to eerie and perhaps even dangerous. He is also noted to have a cruel, and even sadistic side to his nature, although this side of his personality is mostly actualized in almost-subtle teasing. It turns out that the reason he opened the Drugstore is in order to protect Kazahaya and everyone he cares about. It is later revealed that Kakei and Saiga's true forms are Hisui and Kokuyo from Wish, but many years after the events that took place in that story. Saiga is often seen hanging around in the Green Drugstore - usually napping, smoking, or both. He also always wears a pair of dark sunglasses which he never seems to take off. While it is unknown whether he has any supernatural powers like the rest of the cast, it was mentioned that he is extremely good at pickup souls, finding people, and is currently working on helping Rikuo find Tsukiko. He is Kakei's lover and is skilled in domestic areas, such as sewing and making food. Minor characters {{nihongo|Kei Kudo|栩堂 炯|Kudō Kei'}} Kei is Kazahaya's sister and not much is known about her, although Kazahaya mentioned that she has "cat-like" qualities. The reason Kazahaya left her has not yet been clarified; his only explanation is a guilty, "But if we had stayed together, it would have been either you or me." It is revealed in Drug and Drop that she can see the future of objects by touching them, similar to Kazahaya's ability to see the past. Tsukiko is a woman from Rikuo's past who has gone missing. It