Here is Summer Days Walkthrough + Steam Achievement Guide.
Walkthrough
Start a New Game.
│ Invite Melanie
- Save 1
│ Let Rinoa win
│ Both, of course
│ Yes, get the bikini
│ Pick the multi-color bikini
│ Offer to help pick out clothes
│ Suggest the lingerie set
│ Pink babydoll lingerie
│ Check on Rinoa
│ Peek through the crack
│ Burst into the room
- Save 2
│ Make some noise
│ Suggest Rinoa go first
│ Do more
- Save 3
│ Confess to Melanie
Melanie’s Happy End
Gain a bright future with Melanie.
- Load Save 3
│ Confess to Rinoa
Rinoa’s Sad Ending
Be let down by Rinoa after confessing.
- Load Save 3
│ Have a night to remember.
Night to Remember
Unlock the secret harem route.
- Load Save 2
│ Quietly sit down
│ Suggest Melanie go first
│ Confess to Melanie
Melanie’s Sad Ending
Melanie say no at the confession.
- Load Save 1
│ Claim a bed
│ I am interested in Rinoa
│ Yes, get the bikini
│ Pick the multi-color bikini
│ Wait for the girls to finish
│ Check on Rinoa
│ Knock and enter
│ Sneak up on her
│ Suggest Rinoa go first
│ Enjoy this
│ Confess to Rinoa
Rinoa’s Happy End
Have the happiest ending with Rinoa.
That’s all. Have fun ❤
