It's a ninja clinging to the corner of the ceiling.
After drawing the background by looking up at the ceiling from below, try to fine-tune the size angle of this pose and paste it.
天井の隅にへばりつく忍者です。
下から天井を見上げる形で背景を描いたあとにこのポーズのサイズ角度を微調整して貼り付けてみてください。
![](http://assets.clip-studio.com/en-us/description/2093977/img/24bd69c7b2-764f-3bb9-f942-4d92600299.png)
![](http://assets.clip-studio.com/en-us/description/2093977/img/87bff4f884-0942-2db6-07a8-e5fe66baf7.png)
![](http://assets.clip-studio.com/en-us/description/2093977/img/24bd69c7b2-764f-3bb9-f942-4d92600299.png)
![](http://assets.clip-studio.com/en-us/description/2093977/img/87bff4f884-0942-2db6-07a8-e5fe66baf7.png)