Here is the full list of all 36 Hentai Students: Love Puzzle achievements.
Please Gloria
Please Kate
Fully upgrade Gloria
Fully upgrade Kate
Give 2 gifts to Gloria
Give 3 gifts to Gloria
Give 4 gifts to Gloria
Give 1 gift to Kate
Give 2 gifts to Kate
Give 3 gifts to Kate
Give 4 gifts to Kate
Please Julia
Fully upgrade Julia
Give 1 gift to Gloria
Please Anna
Fully upgrade Anna
Good. Bad...I'm the guy with the balls.
The true value of this treasure is known only to those who were looking for it.
Give 1 gift to Julia
Give 2 gifts to Julia
Give 3 gifts to Julia
Give 4 gifts to Julia
Someone lacks one woman, while another lacks life to love one and only one.
Give 1 gift to Anna
Give 2 gifts to Anna
Give 3 gifts to Anna
Give 4 gifts to Anna
Please Emily
The first step to something bigger
Fully upgrade Emily
At the start, you can always see which horse will win and which will lose.
Veni, vidi, vici
Give 1 gift to Emily
Give 2 gifts to Emily
Give 3 gifts to Emily
Give 4 gifts to Emily