Read manga: Tenchi Shinmei!

manga
Other name: 天地神鳴!
Artists: Amano Hirume
Status: ongoing
Updated at: Aug 25, 2019
Summary:

From Midnight Scans:Shio, a female high school student who can see spirits, was saved from a dangerous situation by a black cat. Afterwards, this cat kissed her, sucking out her spirit power. Then it changed to an unrivalled handsome boy! What’s more, he vowed to protect her in exchange for her spirit power!