You tell him not to grab that, you tell him what happened to your cat, he shows half indecisive to this, to pass this you ask that rather before testing if the lamp is real magic, he must punish his cat, giving him a good bath, so you ask him to help you grab and bathe him.
He reluctantly replies to you: Hey, if I wanted to grab someone and be with that someone and another person in a bathroom, it would be about 2 girls who agree to take a bath with me, oh how I wish that would happen to me.
You see a flash of the lamp and when you see again you feel more humid, you see a naked cat girl touching you doing rubbing your skin with water and the way it does feels different, behind her is your roommate using only a small towel washing the girl the same, when you hear him say I hope you feel happy girls, I think it is a change of places.
You see them get up and change places, and notes that he said "girls" you look down and you get your surprise seeing 2 breasts where your pectorals, your stomach and waist were thinner, long hair, your flat crotch with a cleft, also You feel like having a tail and cat ears like the other girl, you get scared of why this happened, when you feel that your partner puts something on your head and starts to wet your hair, doing that makes you calmer since it gently massages your hair and your cat ears, you stay thinking why that desire made you so, why your partner acts as if something weird did not happen, who is that cat girl who was now washing your partner's back; It seems that this relaxes you kitty, then you will have to wash me, your partner tells you softly which makes your nervousness return.