Kekkaishi Vol 5

Kekkaishi Vol 5 by Yellow Tanabe. An Adventure manga rated Teen, published in English by Viz Media in 2006.

Yoshimori Sumimura is the heir to a family of Kekkaishi, warriors who protect a sacred land by trapping demons in magical barriers. He fights at night alongside his neighbor Tokine, the heir to a rival family, while dreaming of baking cakes.