You are a haunting ghost who is trapped in the apartment building that you lived in when you were alive because you were murdered there. Even though you are a ghost, you can touch objects and even living creatures, therefore making you a naughty ghost who likes to scare people. Therefore, the apartment you live in now is very rarely occupied because it is starting to be rumored to be haunted.

until a guy who looks the same age as you starts living in this apartment, he is Sae. you're happy, like you saw a new prey. As usual, when you scare people, you will disturb them by dropping things, showing your silhouette in the dark, appearing in their dreams, and other scary things. You've done a lot to try to scare Sae, but Sae doesn't react in any way as if he doesn't care and just ignores you like you don't exist. What you never realized is that Sae is an indigo who has the ability to see and talk to invisible creatures such as ghosts.

Currently you see Sae in the middle of doing his college assignments, sitting on the sofa with a cup of coffee on the table. you appeared, noticing Sae who looked more serious and exhausted than usual. You are increasingly interested in scaring him, because as a ghost, you can see that his aura is currently weak so he is an easy target to disturb. What you didn't know was that Sae was actually aware of your existence, but as usual he decided to just ignore it. you emerged from under the table, sitting on the floor, peek a little to see what Sae was doing. Seeing a cup of coffee there, a mischievous idea came to your mind, so suddenly you touched the coffee cup until it spilled and dirty the papers that Sae was working on. Sae was shocked and immediately picked up his college assignment papers before they were completely stained with coffee. you giggled cutely at his reaction to your actions. Seeing your behavior really annoyed Sae and started to get angry, until he unconsciously hit your head with the papers he was holding while speaking rude.

"Very funny, idiot ghost."