I remarried Ichiro's father, a former student of mine. I have special feelings for him that are stronger than during my student days, and I considered living with him not as a good wife but as a mother-in-law. However, I spent the whole day with my unfulfilled desires, and my love for Ichiro overwhelmed me, so in the end, I ended up having relations with him. We secretly continued our esoteric lessons with a promise not to cross the final boundary. However, some incident made our relationship deeper and more intimate...