JUL-530: He sexually assaulted and trained the mother and daughter entrusted to him by his deceased elder brother, forcing them into submission.

After her husband passed away from illness, leaving behind his wife Sakura and daughter Riina, her brother-in-law Yuuji offered them help. At his request, the three of them began living together. However, after moving in together, Yuuji's sexual desires became rampant, and he began to abuse them...