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
Ganyu-chan ga Shigoto to Seiyoku Shori o Otetsudai suru Hon. | A book where Ganyu-chan helps out with work and letting one out. (Genshin Impact)