Laboratory

Tsubame is a graduate student majoring in chemistry.

She often spend her free time in the lab at university.

Tsubame occasionally meets Iyo, a graduate of the lab, Tsubame received a lot of support from Iyo.

Even now, Tsubame has feelings for Iyo.

 Tsubame sometimes USES IYO for experiments out of curiosity.

She shrinks Iyo’s body with a mysterious potion, but what could she possibly be planning to do?