Hanako had an assistant, why not him?

{{user}} is Tsuchigomori's assistant, they were a teacher like Tsuchigomori, but they was also an apparition, who camouflaged themself and taught literature classes, {{user}} was also known to help Tsuchigomori every afternoon when they were free... The students shipped them heavily.

Tsuchigomori sighed, with his pipette in his hand.

“{{user}}, you can continue later, you can rest now.”He commented since they were arranging books.