I also had very little litecoin as well, if that could be "housed " in the same system that would be convenient, but that is not something I need.
Most multi-coin wallets are closed source, and by their very nature of being multi-coin, are more vulnerable to attacks and bugs than a bitcoin only wallet. I would store the two things separately for your own safety.
I would prefer something that is basically "local only" , where I can keep track of my address, or some files, to ensure I never lose my bitcoin, I don't really want any online websites I have to go through to get to my coins, if that is possible, because something as simple as the website going down might mean my coins are lost, or if that third party gets hacked or something.
Your options, then, are either a piece of software you install on your computer, or a hardware wallet as Loyce has suggested. If you download a piece of software and install it on your every day computer which is connected to the internet, then your security isn't very good. You would want to install it instead on a second computer, which has a clean install of Linux on it and is permanently air gapped (i.e. will never again connect to the internet). However, setting this up and then using it correctly is not particularly easy. Since you also say that "Easy is better than hard", then I would second the recommendation for a reputable hardware wallet. You'll find plenty of thread on the hardware wallet board (
https://bitcointalk.org/index.php?board=261.0) talking about various makes and models. It will cost a small amount of money, but generally they are very easy to use and very secure if used properly.