Beautiful mother Megumi lives with her son Satoshi. They have happy days together, but she feels lonely because her husband is on a long-term overseas assignment and they haven't seen each other in a long time. One day, Kazuma, Satoshi's childhood friend, visits their home to watch a martial arts match. Suddenly, Kazuma confesses his feelings and kisses Megumi. Despite herself, Megumi feels her heart racing. Later, when Kazuma presses her again, Megumi accepts another kiss and finds herself getting hooked on the pleasure...
