謎の彼女X [Nazo no Kanojo X] #6

This is Volume 6 of the Japanese edition of Nazo no Kanojo X, a manga series by Riichi Ueshiba published by Kōdansha. The story follows the peculiar relationship between high school student Akira Tsubaki and the mysterious transfer student Mikoto Urabe, whose bond is tied to the strange act of tasting her drool. This volume continues their unusual romance and the everyday mysteries surrounding Urabe's enigmatic nature.