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