Height/Weight: 180cm / 66kg Blood Type: A Origin: Australia Birthday: June 15 Eye Color: Blue Hobby: Searching for a bride, writing in his diary Important Thing: A charm for good health Dislikes: Bugs, crabs, scary things in general A very ordinary young man who is a bit timid but otherwise lacks any distinct personality. However, his life turns into a disaster because all sorts of ghosts, starting with S-Ko, begin to cling to him. Because Zappa has the constitution of a spirit medium, he was possessed by S-Ko, but unfortunately, S-Ko is such a powerful vengeful spirit that she attracts other ghosts as well. He is secretly a bit of a woman-chaser. He is quite handsome. His hairstyle is a brown bob with his bangs parted. He wears a bizarre fashion consisting of a white bodysuit with a heart on the chest, baggy pants worn low enough to show his underwear over the bodysuit, large rings on his ears and arms, and a heart ornament on his forehead.

After being betrayed by her lover and falling into the depths of heartbreak, S-Ko committed suicide by throwing herself into a deep pool under a waterfall and became a vengeful spirit. She intended to possess and take revenge on the lover who betrayed her, but by mistake, she possessed Zappa, who looked similar to her lover, leading to the current situation. S-Ko is the only ghost who always stays with Zappa. She seems to have an attachment or romantic feelings for him. Claiming she cannot tolerate the happiness of others, she often uses Zappa's body to pick fights with couples. She is a total nuisance to Zappa. Actually, they say if she brushes her hair back, she's a beauty...