It's still a bit early for this to really matter but here's how the choices have played out in terms of the main relationships, not counting their effect on the character himself...
Welcome to Alpha Protocol.
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A. I take a walk around the neighbourhood, confirming the layout with the map I have and keeping alert for any oddities. One can never be too safe. (Erika +1)
B. My new life starts tomorrow at school. There’s no longer any need to be paranoid; the ISC have an eye (maybe many eyes) on me anyway. Best to turn in early so I’m not late the next day. (Yua +1, Kyrie +1)
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A. She has insulted me one time too many! I will prove her wrong and lead an athletics club to glory, even though I might be horrible at physical activities. It's not the smartest thing to do, but... a man must have his pride! (Kyrie -1)
B. I hate to admit it, but she's right. My brains are greater than my brawn, and I can accomplish her little 'quest' more easily by joining an academic club. It's better to play it safe, especially when dealing with a capricious and powerful spoilt brat. (Kyrie +1, Keiko +1)
C. The only way to win is to not play. She is clearly taunting me. Students are encouraged to join an extracurricular club. If I recall correctly, it is not compulsory. I tell her that, and let her know that though I may be sponsored by her father's corporation, I will not be bullied by her. (Kyrie +2)
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A. I grasp the bright inferno, seeking the strength to burn all existence to ashes. (Erika +1, Keiko +1)
B. I seize the dark void, desiring the power to bring eternal stillness to the world. (Kyrie +1, Yua +1)
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A. I am excited by this new ability of mine. It is a good thing, a chance for me to change both myself and the world. I am eager to use it as much as possible. (Erika +1)
B. It is an interesting ability, to be sure, but there are too many things I don’t know for me to decide how to feel about it. More experimentation is needed. (Kyrie +1)
C. This ability worries me. It comes with side-effects, it appeared too conveniently, and I should probably try to forget about it as much as possible. Best to live life normally. (Yua +1)
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A. I am not confident I can hide the damage to the house. I tell them about the creatures, but I keep my powers to myself. Keeping some secrets might displease them if they find out, but it can also be used as a bargaining chip if I play it right. (Kyrie +1)
B. I reveal both the creatures and my powers to the ISC. I am contracted to them and so far they have pretty much lived up to their end of the bargain. I will need allies, and the ISC can be reliable ones. (Kyrie +2)
C. I spend some time to wipe the security logs and concoct a story for the damage. I cannot trust the ISC with anything. The only person I can count on is myself. (Yua +2)
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A. I will talk to her about what happened before. In public. With a lot of people about, lest she try to kill me again. She appears to know much more about this strange world than I do. (Erika +2)
B. I look for her uncle instead. The man seems reasonable. He might own the bookstore Erika seems to live at. (Erika +1)
C. I stay away from her as much as I can. That girl is seriously scary and plain bad news. (Keiko +1)
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Shulgi points are hidden. He's the secret romance.