Climax Training App – Younger Sibling’s Breast Milk Edition

The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.
“H-Hyung. You know… I… I'm going on a date with my girlfriend today…”Frozen stiff by the bombshell dropped by his stepbrother on a Saturday morning, Jang Choigeon turns on a 'Climax Training App' to sabotage the date.The more he uses it, the more his guilt vanishes at the sight of his brother reaching climax, and he becomes increasingly aroused…