Kuromaru had said he had been an immortal for 4 1/2 years in 2084. He was an immortal test subject
Kuromaru is part of the Yatagarasu tribe, demihumans and was born without a sex before turning immortal. If he doesn't choose which he wants, he'll become one or the other naturtally
Karin owes a lot to Mikan's grandmother (possibly Misora)
Troubles in the mid 21-century gave rise to refugees around the globe. Global cooling then warming caused a food crisis.
The occupants of the slums are 2nd - 3rd generation in the country.
The original inhabitants are returning from Mars and the slums legally belong to them. However, though many properly lease the area, many higher ups want the slums gone
Fate sent the immortal hunters to the slums were watching and saw Touta use his powers and were familiar with Magia Erebea. A satellite picking up broadcast has the number 14 on it. They wanted the hunters to capture Touta. The same person sends a bunch of super soliders to capture him. (Could these perhaps be the other clones?)
Jinbei noted Nagumo slipped back into his old speech pattern and knows him personally.
in ch. 30, Eva makes mention "Even in my current state, this level of fire is hardly any trouble." Has she been weakened?
in ch. 31, Touta narrates, saying in April, he'd be a middle school third year
in ch. 36, it was stated Fate's perspectives changed when Negi died 30 years before. Wasn't that closer to 20?
Fate says Negi died because of Yukihime's own greed and deception
Tsukuyomi calls Ikku "han" instead of "san", noting her different dialect
two murders occurred during summer break at mahora
karin asked headmaster of mahora to contact her if any strange murders occurred
Fate says he's already waiting 20 years to save Negi in the year 2086
Touta was born in the East Asia Station
24 people died in 2078 at Mahora
There had been 240,000 suicides over the past 80 years
Cutlass said people/children would drop likes flies around her all the time
Despite being a vampire, Touta doesn't get cravings for blood
After noticing his breasts growing, Kuromaru remarks he didn't think he'd be going through the gender change when he became immortal
Kirie first used her skill when she was 4 and starved to death
In ch. 106, when Kirie and Touta wake up, it's night and it turns to day when they kiss. Does anime do that?
Mizore refers to Yukihime as "Yukihime", no sama, san, etc.