Beatrice helps them steal/Vandalise something i guess, u just have to play the game it will all be revealed
I believe thats your sister(female roommate), and yes u dont have to worry about him just continue playing MC is the only alpha you'll see, there are 4 paths for alejandro that u can choose down the lane..
IIRC theres only one swinging scene but its with a new girl and in the end that girl will also end up with u only if u play ur cards right
, also this is the new link of the dev
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and he has Walkthroughs tab but not uploaded yet which i suppose will be uploaded so if u are stuck it would be helpful, there are some in this thread spread out if u can search for it.
S1MXX is the endings only version of game, u cant start a the game here u have to play all the way from start from Intro, S1M01 to M04 (yes its a pretty big game), and then load the save in M04 to get endings, currently three endings is added iirc and there are like many more planned with Harem ending too, u can find details here
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