【Story】
I was invited by an old friend to a building.
The intercom at the entrance announced my visit.
Guided by a voice I had not heard for a long time, I stepped inside.

Let's proceed to the upper floors of the building to see an old friend.

【How to play】
・You can play with easy operation only with taps.
・Tap the location you are interested in to check it out. You can zoom in on a location or get an item.
・Tap an item in the item column to select it and zoom in.
　You can also double-tap an item to examine it.
　You can also combine items by selecting other items and tapping the enlarged item.
・If you get stuck in the game, tap the question mark in the upper right corner of the screen.
　Hints and answers will be displayed. (An advertisement will be displayed before you see them)
・Auto save is available.

【Provided】
Pocket Sound : http://pocket-se.info/
DOVA-SYNDROME : https://dova-s.jp/
icooon-mono : https://icooon-mono.com/
いらすとや : https://www.irasutoya.com/
効果音ラボ : https://soundeffect-lab.info/