The secret observation diary of a high school girl with a smell fetish!! Armpit sweat, foot odor, hand sweat, butt sweat… etc. Surrounding the glamorous high school girls are actually filled with unique scents♪ This is a bold comedy about the shy JK, Kaguhara Ririka (香原理々香), who candidly writes about their embarrassing states and her own "throbbing" in her 'Secret Notebook'! ★Includes images under the cover of the paperback★ The digital version includes the colors from the serialization! Additionally, there is a newly drawn illustration page included exclusively in the digital edition!