While the Metal Gear games normally aren't a "tug at the heart strings" kind of game and more in the "I don't even know what's going on... but I like it" vein, I will say, once everything comes together at the end of Snake Eater... there are some definite feels to be had.
If you happen to have Tsuyokiss Full Edition, could you upload them to katfile or rosefile? Tsuyokiss Full Edition thread I would download from the mexashare links in this thread but a majority of them are dead