Here is the full list of all 30 Quickie: A Love Hotel Story achievements.
Earn the fifth star at Quickie Love Hotel in Harajuku.
Gift all Reika items.
Gift all Aria items.
Gift all Mai items.
Earn the fifth star at Quickie Love Hotel in Akihabara.
Gift all Toshiko items.
Gift all Professor Belmont items.
Gift all Sara items.
Meet Victoria.
Unlock Shibuya.
Gift all Satomi items.
Earn the fifth star at Quickie Love Hotel in Roppongi.
Meet Aria.
Unlock Harajuku.
Meet Toshiko.
Unlock Akihabara.
Earn the fifth star at Quickie Love Hotel in Shinjuku.
Meet Mai.
Unlock Roppongi.
Meet Sara.
Meet Professor Belmont.
Complete the Introduction!
Meet Reika.
Meet Satomi.
Gift all Victoria items.
Earn the fifth star at Quickie Love Hotel in Shibuya.
Complete Satomi's Story.
Complete Reika's Story.
Complete Professor Belmont's Story.
Complete Toshiko's Story.