OBA-414 My husband's stepson is too much of a stud... Aida Nozomi.

Hoping to marry a man with a stepson after half a year. Although her relationship with her husband is harmonious, she maintains an awkward relationship with her stepson Yuusuke... One day, Hope was captivated by Yuusuke's erect penis and helped him relieve stress under the pretext of helping with his studies. From then on, their relationship deepened, and Hope happily guided her stepson, who called her 'mother,' to ejaculation. However, the virile Yuusuke repeatedly begged her for sexual release...