Mystari's manga / #Aliens(1)

Help Me!

Complete | Fuwa Shinri | 2001 released

Hayate and Kusanagi are invited to a student council meeting about UFO's. Hayate is surprised when his little brother Tatsumi shows up at the meeting, but just as he is trying to send the younger brother back home, a UFO crashes the meeting and Tatsumi is injured. A few days later, when Tatsumi finally wakes up, he is acting strange and seems to have forgotten who he is. Upon closer inspection however, Hayate discovers that his little brother's body has been possessed by an alien?!