While the person who does the game's official walkthroughs is on holiday, I've put together a "Quick Walkthrough" for Ch5 which can be used freely in the meantime.
Ch5 Spoiler Warning (!)
If you do not wish to see spoilers for the fifth chapter of Radiant, do not read on.
Spoilers start now...
Chapter 5: Walkthrough/Guide
Note: Some choices are not listed. This is intentional: some choices only lead to additional flavor text or don't have any significant impact on the story.
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C1: “Olivia inquires about our whereabouts after Brooke’s place.”
Truth:
+1 Pure (Psyche) | +1 Pure (Liv)
*Liv is now suspicious about Brooke.
Lie:
*Liv is not suspicious about Brooke.
C2: "The way she's staring up at me..."
Kiss Her Lips:
+1 Pure (Psyche) | +1 Pure (Liv) | +1 Love (Liv)
Kiss Her Neck:
+1 Lust (Psyche) | +1 Lust (Liv) | +1 Horny (Liv)
C3 (CRUCIAL): "Olivia confronts you about the 'sunscreen incident' with Allison."
Be Honest About (Allison):
+3 Pure (Psyche) | +3 Pure (Liv)
*You admit to have romantic and/or lewd feelings about Allie. *Liv isn't happy, but will remember your honesty.
Deflect & Reassure Her:
+3 Lust (Psyche) | +3 Lust (Liv)
*Liv drops her suspicions about Allie, for now...
Be Aggressive:
+3 Dark (Psyche) | +3 Dark (Liv) | +1 Scared (Liv)
*Liv drops the subject, but remains suspicious of Allie.*Liv is hurt by your response, may be reluctant to inquire in the future.
C4: "I could probably take it a step further..."
Kiss Her Deeper:
+1 Lust (Psyche) | +1 Lust (Allie) | +1 Horny (Allie)
Don't Risk It:
+1 Pure (Psyche) | +1 Pure (Allie)
C5: "To pay or not to pay (for the girls' gym memberships)..."
Pay For Their Membership:
+1 Pure (Psyche) | +1 Love (Allie)
*Choose this if you want Allie to love you a bit more.
Refuse To Pay:
+1 Dark (Psyche) | +1 Scared (Allie)
*Choose this if you're working towards Allie's dark path.*You will relent and pay for them anyways.
C6A: "Should I respond?" **Only occurs if you stood up/pranked Vanessa
Try To Reconcile:
+1 Lust (Psyche)
*You will have another chance at Vanessa's romance/lust route.*Vanessa will still think you're an asshole.
Just Apologize:
+1 Pure (Psyche)
*You will have another chance at Vanessa's romance/lust route.*Vanessa will think less poorly of you.
Send Mean Text:
+1 Dark (Psyche)
*Unlocks Vanessa's 'secret' "Dark Path."
Ignore It:
*This will close Vanessa's romance/lust route permanently.
WARNING: Potential off-screen/behind the scenes ramifications of this choice are dark/heavy. It is not recommended. Choose this at your own risk.
C6B: "What do I want?" **Only occurs if you met up with Vanessa at the park
Pursue Vanessa:
*Players will remain on Vanessa's romance/lust route.
Keep Things Friendly:
*Players will still see Vanessa, but will remain friends.*This will close Vanessa's romance/lust route temporarily.
Don't See Her:
*Players will not remain friends with Vanessa or agree to see her.*This will close Vanessa's romance/lust route permanently.
WARNING: Potential off-screen/behind the scenes ramifications of this choice are dark/heavy. It is not recommended. Choose this at your own risk.
C7 (CRUCIAL): "Accept or reject Rachel's 'pregnancy' scheme..?"
Reject Her Proposal:
+3 Pure (Psyche)
*Choose this if you do not want to have an affair with Rachel.
Take Her Shirt Off:
+3 Lust (Psyche)
*Choose this if you want to have an affair with Rachel. You can change your decision after.*Leads to a brief lewd scene.
C8: "What does she mean by..."
Stop Her:
+1 Pure (Psyche)
*You're not in the mood to play right now. You can decide later if you want an affair with Rachel.
Let Her Take Care of You:
+1 Lust (Psyche)
*Leads to a brief lewd scene where Rachel gets you off.
C9: "To have an affair with Glenn's wife or not (after lewd scene)..."
Have An Affair With Rachel:
+1 Lust (Psyche)
*You're now having an affair with Rachel.
Turn Down Her Offer:
*You will have one more chance to change your decision later.
C10: "How should I respond to Brooke's request?"
Happily Agree:
+1 Pure (Psyche) | +1 Pure (Brooke) | +1 Love (Brooke)
Flirt:
+1 Lust (Psyche) | +1 Lust (Brooke) | +1 Corruption (Brooke)
Get Annoyed:
+1 Dark (Psyche) | +1 Dark (Brooke) | +1 Broken (Brooke)
*Brooke will be very upset by this response.
C11A (CRUCIAL): "Olivia visits you at night..." **Only occurs if you previously rejected her
Embrace Romance:
+3 Pure (Psyche) | +3 Pure (Liv) | +1 Love (Liv)
*This ends Liv's "rejection" dark path and instead changes to romance.*Romance/lust route with Liv starts.
Deceive & Use Her:
+3 Dark (Psyche) | +3 Dark (Liv)
*This continues Liv's alternate dark path.*Sexual relationship with Liv starts.
Send Her Away:
+3 Dark (Psyche)
*This will permanently end Liv's romance/lust/dark route.
C11B (CRUCIAL): "Olivia visits you at night..." **Only occurs if you did not reject her
Let Her Stay:
+3 Lust (Psyche) | +3 Lust (Liv)
*Continuation of Liv's romance, lust, and primary dark route.*Leads to brief lewd scene.
Send Her Away:
+3 Dark (Liv)
*This will permanently end Liv's romance/lust/dark route.
C12: "Brooke's proper goodbye."
Kiss Her Lips:
+1 Lust (Psyche) | +1 Lust (Brooke)
Kiss Her Cheek:
+1 Pure (Psyche) | +1 Pure (Brooke)
C13: "Chelsea's hug."
Touch Her Waist:
+1 Lust (Psyche) | +1 Fervor (Chelsea)
*Fervor represents the passion/desire between you and Chelsea.*The type of relationship Chelsea can have with the player is affected by your choices.
Friendly Hug:
+1 Pure (Psyche) | +1 Resolve (Chelsea)
*Resolve represents Chelsea's resistance/repression of feelings.*The type of relationship Chelsea can have with the player is affected by your choices.
Touch Her Ass:
+1 Dark (Psyche) | +1 Depravity (Chelsea)
*Depravity represents Chelsea's moral corruption.*The type of relationship Chelsea can have with the player is affected by your choices.
C14 (CRUCIAL): "To date Mira or not..."
Go Out With Mira:
+3 Lust (Psyche)
*Officially starts a relationship with Mira.
Reject Mira:
+3 Dark (Psyche)
*This will permanently end Mira's relationship route.*Mira will be upset by this decision.
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That's it! Thanks for playing Chapter 5 of Radiant!