First the love interests look amazing, I love that you only showed half of their faces and mostly the eyes (I love Nox's eyes so much, so blue <3) 

When my female MC is in the bath with the twins (they remind me so much of George and Fred, from the cheekiness mostly xD) at the almost end of the scene my female has a penis... lol xD maybe you could read over it? only if you have the time, thank you so much for this wonderful sweet NSFW story, I adore all of these characters so much :D