Here is the full list of all 54 Pocket Waifu achievements.
Get all Rooms mementos for Annabelle Cumming.
Use 250 time warps.
Harvest 10 crops.
Get all Rooms mementos for Valentina Sapienza.
Get all Rooms mementos for Mary Green.
Make Mary Green into your waifu.
Make Raquel Cardoso into your waifu.
Make Leilani Kealoha into your waifu
Make Yasu Teramura into your waifu.
Make Sakaki Shimizu into your waifu.
Get visited by your girls 30 days in a row.
Make Annabelle Cumming into your waifu.
Make Eva Varga into your waifu.
Harvest special flowers of Sakaki, Annabelle & Eva.
Harvest a Special Flower.
Make Valentina Sapienza into your waifu.
Harvest special flowers of Cleo, Leilani & Valentina.
Play 100 Games requested by your girls
Finish the Garden Tutorial.
Give 250 gifts.
Get visited by your girls 7 days in a row.
Harvest special flowers of Mary, Raquel & Yasu.
Complete 150 daily wishes of your girls.
Become Yasu Teramura's boyfriend.
Become Eva Varga's boyfriend.
Eat with your girls 500 times.
Become Leilani Kealoha's boyfriend
Let your girls shower 500 times.
Become Valentina Sapienzas boyfriend.
Poke your girls 1500 times.
Get to know first six girls
Make Cleo Loring into your waifu.
Fill entire Lust Bar in High Roller 10 times.
Fill entire Lust Bar in Bridges 10 times.
Become Annabelle Cumming's boyfriend.
Fill entire Lust Bar in Line Breaker 10 times.
Fill entire Lust Bar in Waifu Flip 10 times.
Fill entire Lust Bar in Switch the Gravity 10 times.
Fill entire Lust Bar in Spiral 10 times.
Fill entire Lust Bar in Sky Jump 10 times.
Become Raquel Cardoso's boyfriend.
Fill entire Lust Bar in Dancing Snake 10 times.
Become Cleo Loring's boyfriend.
Fill entire Lust Bar in Cat Race 10 times.
Become Sakaki Shimizu's boyfriend.
Become Mary Green's boyfriend.
Complete tutorial
Get all Rooms mementos for Sakaki Shimizu.
Get all Rooms mementos for Cleo Loring.
Get all Rooms mementos for Raquel Cardoso.
Get all Rooms mementos for Leilani Kealoha.
Get all Rooms mementos for Yasu Teramura.
Get all Rooms mementos for Eva Varga.
Use 250 energy drinks.