0 Fucking his girlfriend's mother until she got pregnant, the young man fucked both mother and daughter
0 A young man takes a risk and secretly fucks his best friend's sister and the ending is extremely happy
0 The husband was bedridden in an accident and knew his wife was sexually promiscuous so he found a partner to fuck her
0 The son has an incurable disease and the mother makes a sex contract with a perverted old man who has a lot of money