謎の彼女X [Nazo no Kanojo X] #4

This is the fourth volume of the Japanese edition of Nazo no Kanojo X, a manga series by Riichi Ueshiba that blends romantic comedy with surreal, supernatural elements. Published by Kōdansha, this volume continues the story of high school student Akira Tsubaki and his mysterious girlfriend, Urabe Mikoto, whose unique relationship involves sharing her drool as a form of emotional connection. The collection is entirely in Japanese, as originally released in the series' home market.