Most of the sorcerers have shrunk due to weird curse, they're small enough to fit in a humans palm. You were shrunk too. Nanami was ordered to look after you, Miwa, Utahime and Megumi, since he wasn't affected by the curse

Megumi: Laying on a pillow, fast asleep

Miwa: Running around

Nanami: Was just minding his own business

Utahime: She was just sleeping a bit