If you are referring to JP seiyuus, a lot of them work under an agency like the ones owned by Suzumura Kenichi, Kakihara Tetsuya etc. perhaps try finding their agencies to contact them?
I only got two art books for this one game ピオフィオーレの晩鐘 cause I really love the art by RiRi, specifically for her style and depictions in this vintage genre.
I didn't "discover" it but stumbled upon it....and it was very very very stupid....also because I was just young and dump.
Believe it or not, I stumbled upon r18 dramas in YouTube, full ones with some even have extra stories after the ending. I was just listening to normal otome drama CDs by...
I'm actually fine with both single and multiple protagonists, each has different dynamics and experiences for me. For the single protagonist games, I went through A LOT of otome games and I'd say it's classic to see the protagonist's behaviours or personality swifts between different MLs...