きっつい性格の教育ママが、受験期のみ暗闇の中のみという條件で息子のセックス代理妻を務める話。漫畫10000000000000011111111111111111111111111111111111111111111111000000000000000000000000踮起腳尖的戀愛00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011111111111111111000011111111111111111111111100000011111111111111111111001000000000000000000000000000000001111110000111011110000000000000000000000000000001100000000000000000000000000000000000000000000000010000000000000000000000000000000000000000001100000000011111111111111111111111110000000000000000000011111111000000000000000000000010000000000011111111111111111111111111111111111111111111111111100000000000000000000000000000000111111111111111111111111111111111111111111111110111101111111111111111111111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000。