[It probably would be more of a hassle for them to collect the extinguished lanterns all over town and reignite them with magical fire (if that'd even be possible; with any luck every light-carrying item on the island has been cursed or something!) than it would be to grow some candles. Hijikata makes an affirmative noise in response to Red Wine's question, takes a book titled 'Guide to Ghosts and Demons' out of his bag, sets it on the ground (after making sure the spot is decently clean) and crouches in front of it.]

It's not too hard to learn. You can chime in once you can follow; that should make it grow faster.

[He starts the chant, and before their eyes the wax flower starts blooming and growing until it eventually shapes itself into a candle. A flick of Hijikata's fire magic lights it, and he hands it to the first person in the small line that has started to build, attracted by the flames he left hanging in the air to signal their position.]

I guess we're a candle factory now.