This is Sadon (1st volume 1)

Publisher: Kodansha
Author: Hazuki Kyo
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Youth manga, manga
Latest release date: 2014-02-20

Synopsis:
A new world experienced by Futu high school girls everywhere? Koume, a high school girl, who entered a private hundreds of private school, is invited to join the tea ceremony department director Ayame (Ayame). Koume enters with a light glue saying, "You can eat sweets!" Includes childhood friend (as expected), classmate, angel (Michael), and autumn leaves (Momiji), and take a look! 4 frames of tea ceremony comedy 4 frames!