Her husband is busy with work and rarely comes home, leaving her unable to have sex and her sexual desire reaching its limit. One day, she accidentally sees her father-in-law having an erection while napping. Unable to resist, Nami, who is addicted to sucking, starts sucking his penis, crossing a line. As she becomes increasingly consumed by pleasure, she begs him to fulfill her sexual needs. Note: The recorded content may vary depending on the distribution method.