Zankokuna Kimi ni Tomoni
残酷な君と共に
The older brother's company is on the verge of bankruptcy. The only way to save it is to depend on his younger step-brother's support. However, the stepbrother is intent on getting his revenge for the bullying he suffered in childhood at the hands of his older brother.
As the older brother struggles to accept this humiliating dependence, the line between punishment and desire begins to blur. What seems like a cold act of vengeance slowly reveals deeper, more complicated feelings, leaving both brothers questioning the true nature of their relationship and the past that binds them together.