Eroge: Kimihane: Kanojo to Kanojo no Koisuru 1kagetsu (2015)
Torrent: http://sukebei.nyaa.se/?page=view&tid=1294008 (500MB)
SUMMARY
Hina, Rin and Fumi are new roommates at Seiba Girls’ School. Even though they had different personalities and upbringings, they had one thing in common: they recall seeing an angel when they were small. They each suspected that one of the other girls was actually an angel.