Kazuma and Aqua can't properly accept rewards from quests due to their mediocre party lineup,
and are so destitute that even keeping wood on the fire is difficult.
Kazuma comes up with a plan and visits a magical accessories shop run by a woman called Wiz.
You can check out the original comic here! http://info.nicovideo.jp/seiga/book_anime/#m1_konosubarashii
Official KonoSuba Nico Nico Site and Episode List: http://ch.nicovideo.jp/channel/ch2617611
Episode 7 - "A Second Death in This Freezing Season!" : watch/1456811436