"I can't take it anymore!" Son Yosuke, aroused by his mother Wakaba's large, F-cup breasts that shook wildly, attacked her from behind. Wakaba, with no way to resist, was kneaded and fondled, reacting sensitively to Yosuke's skillful and varied touches. To stop Yosuke's deranged impulse, Wakaba had no choice but to perform fellatio to get through the situation... However, the intense pleasure from being so vigorously caressed was something Wakaba still couldn't forget...