There might be other routes but these worked for me to unlock all the endings and CGs.
The fourth choice doesn’t effect the outcome but you need to choose “continue” at least once to unlock that CG.
Missi
- Tickle
- Push away
- We’re just friends
- Continue/Clothe ourselves
- Think about Missi
- I like her
Karma
- A pat on the cheek
- Gently remove her
- You always do
- Continue/Clothe ourselves
- Think about Karma
Siri
- A pat on the cheek
- Push away
- We’re just friends
- Continue/Clothe ourselves
- Think about Siri
By Listener15