C135 The Principal's Hostility

Dong Xinran's eyes widened in astonishment, her hand flying to her mouth. "How can that be possible?"

It's widely acknowledged that with the onset of puberty, women acquire a formidable foe that makes a monthly appearance. Some affectionately call it Auntie, others refer to it as their regular period. No matter the term, these days are often the most excruciating of the month for many women