In a properly functioning air conditioner, the water drips down from the coil into a condensate pan and then exits the unit through a drain or tube. However, a clog in this drain or tube can leave a puddle to accumulate inside, which is an ideal environment for many types of harmful bacteria.
Toujou Basara is an ex-member of the Hero-clan. He lives with his two step sisters who are both Demons. Basara is determined no matter what to protect Naruse from anyone wanting to cause harm to her.
Uchiha Madara is one of the co-founders of the Hidden Leaf Village along with Hashirama Senju, Though he was a childhood friend of Hashirama during the endless conflict, their friendship ends as a result of the war.