Although it has been several months since she remarried her husband, Mina is unable to open up to her stepson. She wants to be close to him like a real parent and child. But her wishes are always in vain. Then her husband goes on a company trip, and she is left alone with her stepson. She tries to actively communicate with him to eliminate the awkward atmosphere, but... Mina's lewd body, which is tighter than usual, is on the verge of breaking down her stepson's reason...