Hara Hara Sensei

Azusa has always dreamed of becoming a researcher, but her hopes are shattered when she discovers that her mentor has stolen her research. Disheartened, she takes a job as a chemistry teacher to take care of her sister Ruka, her only family. However, when Ruka mysteriously disappears, Azusa embarks on a desperate quest to find her. Soon, she finds herself plunged into a dark and dangerous world where yakuza clans are involved in her sister's disappearance. Alone and facing formidable enemies, Azusa must use ingenuity and her knowledge of chemistry to survive and save her sister.

MANGA