Q: Please give us the best one-liner pun you have!
Futon ga futtonda
(lit. "the futon blew away", but beyond that, interpreted a different way as "futon ga futon da" it's lit. "a futon is a futon")
Kanon genki kanon?
(note: ~kanon can be a dialectical suffix to a question phrase, in this case "Is Kanon genki [doing well]?")
Nakanishi Kana kana~? Nakanishi kana?
(note: ~kana is an interrogative suffix which means something like "I wonder?", in this case, "Are you Nakanishi Kana? Are you Nakanishi?")
Futon ga futtonda!
Futon ga futtonda.
Karee wa karee
(note: The first karee [カレー] is the way to write "curry". the second karee [かれぇ] is a dialectical way of saying "karai" or spicy. i.e. "The curry is spicy")