Rentaro locks eyes with another soulmate: a beautiful girl in the Chemistry Lab. But when he visits the lab the next day, he instead finds a pint-sized bundle of energy who is... obsessed with drugs?
Kusuri-senpa—
—كوسوري-سينبا
Kusuri-senpa…
Kusuri…
Kusuri…
Senpai Kusu—
Kusuri-senpa—
Кусури!..