"Ane" translates to "older sister" or can be a term used in addressing an older woman.
"Yanmama" seems to be a brand or product name, possibly related to cosmetics or skincare, as it includes "mama," which means "mom," suggesting it could be targeted towards mothers.
"Junyuuchuu" seems to relate to "during the menstrual period" or similar, with "junyuu" meaning "menstruation" and "chuu" meaning "in the middle" or "during."
Pros:
Aika Sano: Takuya's older stepsister. A former delinquent with a carefree attitude toward her appearance, she is the primary focus of Takuya's affection. "Ane" translates to "older sister" or can be
