Here is the full list of all 100 Your Anime Waifu achievements.
Complete Level 1
Complete Level 2
Complete Level 3
Complete Level 4
Complete Level 5
Complete Level 6
Complete Level 7
Complete Level 8
Complete Level 9
Play The Game For 1 Hour
Play The Game For 2 Hours
Play The Game For 3 Hours
Play The Game For 4 Hours
Play The Game For 5 Hours
Play The Game For 6 Hours
Play The Game For 7 Hours
Play The Game For 8 Hours
Play The Game For 9 Hours
Play The Game For 10 Hours