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