Saki, who is always in pain from excessive sexual desire, will have estrus with her son's homeroom teacher, who visited her home on this day. I have to act like a protector here... Even though I knew it in my head, I couldn't suppress my instinct to look for a man. Saki takes her son back to the room and when she is alone with the homeroom teacher, she leans over while staring at her with enchanted eyes.