Childhood Friend is Mum? ~Cherry Popping of the Young Master~

Kenji ran away from home and was living by himself.
Called by his Father, he returned home.
There was his childhood friend, Mami.
It turns out my Father is going to remarry with Mami!
Remarry with Kenji's first love.
He'd always admired and longed for her...
"That bastard, when did he get his hands on her..."
"Hey Mami, why the hell are you marrying my Father?"
Jealousy and sadness whirl within Kenji's heart.
Mami comes to wash his back in the bathroom.
He thinks that she is making fun of him and rejects her,
but that's not the case, she comes to his bed at night and...
This time he cannot turn down the offer.
Cherry boy Kenji attempts sex with Mami.
But this was all part of Father's plan.
What fate awaits the three...!?

18 page monochrome manga.