Mc's mother dies in a s&M relationship with his uncle and died without his permission. He leans on Mc to replace MC's mother. and desn't want him to leave him gets a tattoo of a womb. MC doesn't resist and so Uncle gets bored and eventually abandons the Mc. The Mc chooses to keep the tattoo and go along with his life. What happens next?
Chou to Kumo no Su