I have a question of who are the characters that have a route and how many for each and how many are there altogether.
Viewing post in Chess of Blades (BL Visual Novel) comments
From what I've seen so far, the main love interests are Arden, Franz and Linnaeus. I've seen 4 out of 9 possible endings, so my guess by the ones I've seen is that you have a good and bad ending for each of the love interests, plus 3 that are different (because one of the four I've seen was an ending that had little to do with any of the love interests). There's also a side romance, but I haven't unlocked it yet, so can't report on its contents...