So I met a girl last month who was really into me. She's overweight but I think she's cute...maybe an objective 3/10, a subjective 5/10. I'm 20 and have had 1 sexual partner (went to an all-boys school so didn't even start hanging round girls till about a year ago).

The one girl I've fucked lives with me (and 4 others)...she's about a 7/10...and we have a sort of on-again-off-again FWB relationship.

I'm only interested in NSA sex with the other girl I'm trying to plate. I don't want to hang out with her or be friends with her. Just straight NSA every now and then when I'm in the mood. I have higher SMV than her so should be relatively easy.

Problem is I don't want to bring this girl back to my flat because I feel like it'd reduce my SMV in the eyes of this FWB (and my other flatmates).

I met this 3/10 on a night out. She came up to me, kissed me, and invited herself over to my flat (used the old "lost my friends" excuse). I told her she couldn't come back to mine...wasn't really interested because I was satisfied with my 7/10 FWB.

The 3/10 has been texting me almost continuously since then. She initiates every single conversation and I'm not particularly receptive but that hasn't curbed her enthusiasm. She kept dropping hints about wanting to meet up/come over and I kept ignoring them.

I haven't had sex with the 7/10 in about 3 weeks...she felt she was getting attached and has just come out of a LTR so we decided to cool it off. Now the idea of NSA sex with a 3/10 who seems to practically worship me is more appealing.

After weeks of hint-dropping, the 3/10 last night texted "let's meet up this week, what days are you free". At the time I suggested a bar for a few drinks at 2pm Saturday (we're both busy in the evenings the rest of the weekend).

Never really spun a plate before (the 7/10 is a close friend who I see every day and occasionally fuck, rather than a true plate). So my questions are:

1) How do I let this 3/10 know that I'm not interested in anything other than sex? I feel like the fact that I texted her back for a month and suggested we meet up for drinks (i.e. socially) was a bad move. What's the best way to recover? I want this relationship to be either strictly sexual, or non-existant. Don't want anything else

2) What are my options for fucking her? Don't want to bring her back to mine. And I think a couple of her flatmates are the millitant feminist types who may try and cockblock (especially if I head back to hers early like 3-4pm ish). Hotel costs money and this girl isn't worth that. Other ideas?