Toiu wake de, Kaa-san-tachi to Yattemita - That's why I fucked moms.
Sono kishi doesu oresama mazoku ni ochiru, This knight falls to the sadistic Demon.
[Minazuki Mikka] Tsuma o Fuuzokujou ni Shite wa Naranai Kore Dake no Riyuu | These are The Reasons Why You Shouldn't Make Your Wife Works as a Prostitute [English]
Junketsu no Sainou