Silly Koga-author, questioning the logic of using a phone instead of your LED-flashlight.

When else are you going to use that feature?

Reader-added tags include "iPon" (A double joke; not only a nickname for the iPhone, but for voice actress Ai Nonaka, whose first name uses the same kanji as Ran's), "I just wanted to show it off", and "Ran-sama charges on ahead".

The survey knows someone's moving around under the ground:

I met them deep in a cave!
• Kisume-chan
• Yamame-san
• Parsee
• Big Sis Yuugi
• Hiroshi Kawaguchi 's Expedition Team

This is why I see some people having multiple tools for the same purpose.

Oh, and I also met Okuu on the cave, wait, that was my past life, it's good that the Yama forgave me.

No Sanaewife lately in those strips, I miss her.