Every month, for some reason, he appears only on dangerous days, showing neither his face nor speaking a word—the rapist in the mask. The day planned for pregnancy to conceive her husband's child happens to be the dangerous day of the rape and internal ejaculation! The horror of being impregnated by an unknown man… However, even though she doesn't know who the partner is, she is raped and internally ejaculated upon, and surprisingly, the beautiful big-breasted wife Meguri feels pleasure… Who is this rapist that brings both pleasure and fear, with a face unseen?!
