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