In summer, modern cities suddenly experience a resurgence of spiritual energy, but humans have not yet noticed the changes.
Ancient mythical beasts awaken and can transform into modern animals; auras can materialize into glowing dandelions; special humans can see the flow of auras
An ordinary delivery boy accidentally acquires the Mark of Baize, establishes a symbiotic relationship with the mythical beast, and repeatedly jumps between daily life and abnormal events.
