My sister-in-law is in a situation where she seems to be fooled by her boyfriend who is dating, but it seems that the other party is quite rich and does not want to break up. - Her cornered sister-in-law has sex with her younger brother and has proposed her planned shotgun wedding ... - A beautiful sister-in-law just wants the fact of her pregnancy and uses her. - And while I felt guilty, I followed her proposal. - After that, secret sex continues for many days, but her sister-in-law is gradually attracted to me who has excellent compatibility ...! - ??