: Health experts warn that attempting the higher-numbered days of this challenge is physically dangerous and can lead to exhaustion, hormonal imbalances, or injury.

: Participants are jokingly challenged to masturbate a number of times equal to the date of the month. Day 1 (ngày 1) : One time. Day 2 : Two times. Day 31 : Thirty-one times.

: Content explaining the rules or warning against the health risks of such extreme behavior. Important Health & Legal Warnings

A video titled (Day 1) typically depicts one of the following:

: A creator discussing their intent to participate or documenting their "success" on the first day.