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?
Huh? You're a senpai?!
!ماذا؟ أنتِ سينباي؟
Was? D-Du bist älter als ich?!
¿Eh? ¡¿Eres mayor?!
¿Eh? ¡¿Eres mayor que yo?!
S-Sei una mia senpai?!
Hã? Você é minha senpai?!
Как?! Ты старше меня?!