Here is the full list of all 10 Our Fate Forsaken - there are Yaoi BL Visual Novel achievements.
Achieve Asa's Happy Ending
Achieve Gabriel's Happy Ending
Achieve Asa's Good Ending
Achieve Gabriel's Good Ending
Achieve Asa's Bad Ending
Achieve Gabriel's Bad Ending
Achieve the Neutral Ending
Complete All of Gabriel's Endings
Complete All of Asa's Endings
Complete All Endings