First, the collection is also located under the safe house.
You can find these collections in the small warehouse downstairs.
Open the door and you can see the lion's head.
Lion head: type: handicrafts. Redemption NPC: a cat who loves handicrafts.
In Ghost Line: Tokyo, you can exchange props at the cat's place in the shrine through the found collectibles, and there are many kinds of collectibles in the game.