Quiet plain Jane Madoka found herself caught in an unexpected situation. Before her eyes stood a dark, powerfully throbbing male body, leaving her utterly helpless and unsure how to respond. This incident occurred while she was having her computer repaired—an unforeseen event that left the man's erection uncontrollable. Realizing she had to take action to change the circumstances, Madoka made up her mind. Drawing on her limited knowledge, she resolved to service him orally with her own mouth.