Great game. I don't really get the point of Jenna though. She seems like an unnecessary inclusion. Mentioning her in text would have been enough. Allthough I haven't played the harem route yet, maybe she shines on that one.
When going for the pure husband route it doesn't make much sense that the MC invites her in the first place. That's just asking for trouble if he really wanted to patch things up with Emily.
On the Elly route I just wanted her to buzz off so I can spend more time alone with Elly...
I'm not big on Jenna either and I never wanted her on the Elly route myself. I get her inclusion for the Harem, as she is the main manipulator of that route, and she's partially responsible for Elly's as well. The Harem route is the biggest, longest route for this game and is the main canon one.
To me, The Forbidden One route is the best, you get Ada & Elly, screw over Jenna & Emily, but leave Sofi behind, which I suggested Luxee to add for 1.1, but he said too much would have to be reworked for her to be included.
I've never been a fan of Harems in VNs as I like 1-on-1 the most, but for this, The Forbidden Route (Ada & Elly) are the way to go for me personally.