Technically there isn't; chapter 73 established that only Nelson can see it or hear it. It's the polar bear he fought when he was 15, now hanging around as his imaginary friend, or haunting him as a ghost, up to interpretation really. But it's clearly a hallucination.
Okay, explanation time...
The two samurai that had their duel in the middle of the chapter are references to two Japanese politicians, Muneo Suzuki and Kiyomi Tsujimoto.
Muneo Suzuki is a member of the LDP, Japan's right-wing long-time ruling party. He hails from Hokkaido, and one of his pet...
Aside from the fact that you called both Megumi and Jingu "Megumin" you got it mostly right.
Koji (now Koichi) didn't have a part of his own body go invisible, it was a part of his mom's head (her memories of her son) and his brother's old room that went invisible.
As for Kyoko, it's implied...
I've posted this before on Batoto back before Mangadex launched when we were stuck on volume 1, but Super Ninja Dan has been referred to by its creators as their "dark history." For artist Kazuhiko Shimamoto, it was his first serial manga and he was just discovering his style and his sense of...
The story behind it is even neater. According to The Memorial of Saint Helena, the 85th and 39th demi-brigades, under Claude Vaubois, retreated in the face of the enemy at Trento and were unable to rally by themselves, forcing Napoleon to rally with them in Verona to hold off the Austrian charge...