The sad route where he dies at the end without being able to tell he loved you no you can't change it >:)

I was just thinking about this yesterday HAHA In terms of actual romance visual novels, the main plot would be that the MC is a new employee at a company and they get to romance their coworkers from other departments. Briar would probably be the boss of their specific department, except that they don't seem to be able to romance her because every time they speak to her, their friendship level goes down HAHA She probably plays a big role in the overall plot and people are mad that they can't romance the sexy boss.

Renahv route would be along the lines of trying to learn more about the mysterious "slacker" only to learn about his great all-around talents but feels trapped by the expectations to use them by others.

Elio would most likely be the handsome, talented, and charismatic male best friend/childhood friend that you're slowly falling in love with, in lieu of your original platonic relationship; it likely stems from taking full notice and appreciating the traits you've once overlooked because of how casual you two usually are.

There are a lot of awkward, blissful, and angsty moments between the two of you (nothing exaggerated, of course), which culminate in a mutual confession after a bit of introspection and realization from both parties.

Celeste is the pretty astronomy student you run into at a coffee shop. The right responses for her would be the ones that make you seem confident or even better, dorky. But either way she would be teasing the hell out of you the whole time. The good end of the route is a date under a meteor shower.

Fausto’s route would start off as the typical tsundere type, but gradually he’d open up and start becoming more friendly and romantic, there’d be a moment where he starts to doubt himself and the mc would have to reassure them or something

Odd would be a meta-aware merchant character who would give hints/tibits about the other romance candidates ("Regulars" as he would call them), as well as sell various items that could help the player advance down certain routes.

If you did decide to romance him (which would take a bit of legwork), he'd let you in on the vulnerabilities/ennui he feels about being in a piece of fiction, and what exactly that means for his existence, but he'd come to be incredibly grateful for the time the player invested in getting to know him despite his initially perceived futility of it all.

Tyler would be the "Jokey Big Brother Character but there's more going on to him" kind of guy. At first it's usually Tyler annoying the player and teasing them with Wall Slams and such, but as time goes on, you can tell that its only a mask to hide his true feelings, and you truly bond with him. It gets to the point where he's in the final of his track team and you cheer for him, greatly touching him because no one else came, and he'll kinda confess to you, like "I guess you're not so bad after all! I'd like to get to you know you better than just a friend.. if that's alright"

Wily: Oblivious Kuudere to whom you basically teach what romance is.

Polly: Surprisingly cheery goth you get to know mostly through her music passion (and family drama).

Phillip: Cocky jock-type who you fluster by meeting him at his level of flirty.

Mahra: Tired Wine Aunt vibes, just appreciates slowly spending time with someone and them speaking their mind honestly.