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9

While in the laboratory, as the experiments were performed his body slowly became almost completely made of tentacle cells. If you look at other tentacle wielding humans like Itona and Kayano, their limbs don't become tentacles normally. This shows that even while still maintaining a mostly human appearance, most of his body was already tentacles just before ...


8

All the atoms in the crystal lattice are identical. Let's say the volume of an atom at the vertex (not corner, if it is a corner, you will need a slightly different reasoning) is B. Each atom at the vertex takes up (1/8)B of the cube. See diagram. For a cube with length a, it consists of the central atom A with volume D and 8 atoms at the vertices each ...


6

The #-hit kiss is a technique first seen in action by Irina Jelavić in chapter 8 ("Breast Time") in the manga (page 17), or episode 4 ("Adult Time") in the anime (6.5 minutes in), when she kisses Nagisa for a 30-hit kiss. See full-size image It is described by Nagisa in the manga: I truly felt the weight of her "killing" words and that she was the real ...


6

How Koro-sensei can fly has never been mentioned in the manga or the anime, so I can only explain it based on my inferences from the manga. Koro-sensei has been referred to as an octopus on multiple occasions in the anime and the manga (eg episode 10 at around 10:40 in the anime). So it is fair to assume that Koro-sensei's body behaves like an octopus. ...


6

So far there has not been any sign of a fiery attack or his ability to resist it, besides the hot weather. Which seems to cause him a quite extreme fatigue. He also is said to handle hot food pretty badly.


5

Bear in mind that there are a lot of students in E-class, and as such the author has the tendency to rotate characters in and out of focus. Ritsu has her moments in, for example, the Assassination Island Arc and the God of Death Arc (not gonna discuss in depth to keep the answer spoiler free.) The only students that have more of a consistent focus are Nagisa ...


4

As @Toshinou Kyouko explained, Itona and Korosensei aren't actually related. Koro-sensei was... Itona is considered being Koro-sensei's brother because... As for why they don't look alike:


4

Explained in the manga: He bought it beforehand.


3

No, it's a recap movie with a little bit of extra content. (Official site in Japanese; ANN article in English.)


3

In Japanese, the panel reads: ありがとねぇ ジャマな枝 切ってくれて それにしても 君達えらく 身軽だね~ いえいえ 待ち伏せ…いや 木登り特訓 してるので The translation in the OP post is a little bit off; a better translation of the last speech bubble is "It's because we were preparing an ambu-... er, practicing climbing trees." That is, they weren't doing "ambush training"; they were just lying ...


3

Itona isn't a relation of Koro-sensei. He is the son of Horibe Electronics Factory's former president. After his father's company went bankrupt, Itona was abandoned by him which became a source of bullying towards him as well. One night, he was found by Shiro who told him that in his eye lies a tenacity for power and that he would help him achieve that ...


2

Physically speaking, assuming there weren't any debris from the moon blowing up and hitting the earth, there's no real reason for the moon to fall down. Gravity is determined by (among other things), the product of the Earth's and the Moon's masses. The acceleration is determined by the force of gravity divided by the moon's mass, so if you do the math, ...


2

This is "Irina no Koigokoro", which is track 5 on the special CD bundled with S2 BD2 (EYXA-10829B). Here is a 15-second extract from the beginning of the track. Seems like an odd piece to be playing in a sequence where Karma and Manami are talking (not about Irina), but it is what it is.


2

This is a common trope in anime. Many examples of it can be seen on Dragon Ball with Master Roshi: Source: https://www.youtube.com/watch?v=y0-Ep3UI2SI [potentially suggestive content] According to AnimeNewsNetwork, it is a long-standing Japanese folk belief.


2

This is track #18 from the season 1 soundtrack, titled 「エレクトリック会議」 Electric Kaigi "Electric Meeting". You can listen to an excerpt from this piece (and the rest of the OST, too) on the Amazon Japan page for the album.


2

The difference between Koro-Sensei and the God of Death (No. 2) and the humans with tentacle cells is that Koro-Sensei's cells fully turned into "Tentacle-Cells". Kayano and Itona only have implanted Tentacle-Cells in their bodies; they form, as mentioned in the question, another organism in a symbiotic relationship with the human body they are attached to. ...


2

The most important point is that Koro-sensei told his tentacles that he doesn't want to be powerful, so they became like they now look. The other tentacle monsters only wanted power and told the tentacles, so their tentacles became hard and strong.


2

I know I'm late to this question, but here's a perhaps simpler explanation. I just got to this problem in the anime and wanted to solve it before they revealed the answer. Ok. You have a cube with an atom in the middle. What you'll want to do is break the cube into eight pieces. Take one of these pieces. There are two atoms on opposite corners (vertexes). ...


1

He was being experimented on , and yes he was a mere human , and also a failed experiment It will all be revealed in the anime if you keep watching


1

The poster and the scene afterward featuring Kayano strongly implies the female hand is hers. It would sense that the person she was holding hands with someone that wasn't present at the old classroom building at the time, assuming that all the vignettes were happening more or less in real time. The most likely conclusion would be that the male hand ...


1

Heaven's Spear was only fired once, During that period, the students were not there. It was never fired again. The students were never hit with the beam.


1

In one of the final episodes, Koro Sensei specifically states that the orbital laser is so powerful it will break through even his Ultimate Defense Form - after all, it was designed based on all of the data gathered both from the experiments conducted in places like the ISS, as well as from observation of Koro Sensei and the class. And from an out-of-...


1

The names are picked in random order and have no connection to the episode. The name stands for the one who wrote on the board.


1

As far as I can tell from reading the wikia for the show, they have no mentioned the mother yet. This is less of an answer and more of a "there is no answer" type thing. Although I'm all for the idea of him having cloned himself into his son. That opens some very frightening possibilities and some interesting conclusions. Does he have more clones? If his ...


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