Here is the full list of all 39 Muv-Luv photonmelodies♮ achievements.
Spent some time alone with Yuuhi.
Spent some time alone with Meiya.
Chose Miki's present first.
Chose Kei's present first.
Chose Chizuru's present first.
Chose Mikoto's present first.
Chose Haruko's present first.
Took skiing lessons from Yuuhi.
Took skiing lessons from Meiya.
Went sledding with Sumika.
Played Smash the Watermelon with Meiya and Yuuhi.
Ran into Tsukiji on the island.
Ran into Haruka and Mitsuki on the island.
Ran into Michiru on the island.
Ran into Munakata and Kazama on the island.
Walked in on Mikoto changing.
Met Maya on the island.
Saw the female chaperones playing volleyball.
Found Mitsuki's hiding place.
Found Haruka's hiding place.
Challenged Chizuru to a swim race.
Ran into that weird lady again on the island.
Ran into some mysterious-looking folks on the island.
Drank Michiru's vile beverage.
Had an intimate moment with Sumika.
Had an intimate moment with Kasumi.
Had an intimate moment with Yuuhi.
Had an intimate moment with Meiya.
Had an intimate moment with Haruko.
Had an intimate moment with Chizuru.
Had an intimate moment with Mikoto.
Had an intimate moment with Kei.
Had an intimate moment with Miki.
Completed Altered Fable: A Shimmering Shard of Spacetime
Completed Adoration.
Completed Resurrection.
Collected every CG in the entire collection. Nice work!
Filled out Gallery Mode to 100% completion!
Completed all stories!