In the early stages (Prologue and Chapter 1), certain choices help establish your character's persona:
: Select "I can't die for her" during critical danger scenes. The Island [v0.3.2] [APK]
Prologue. Go left. ...Setsuna. I'm Sanzenkai Setsuna. / Try guessing my name! / Don't go falling for me! Get ready for a showdown. Steam Community ISLAND Walkthrough - Guide - Steam Community In the early stages (Prologue and Chapter 1),
: Opt to "Keep your mouth shut" to avoid unnecessary conflict. The Island [v0.3.2] [APK]
: Conclude the sequence with "No need to mention it". Prologue Key Decisions