Kim Jong-Un says he's "not the kind of person who would shoot nuclear weapons to the south, over the Pacific or at the United States."

If we could just get to know him, we'd see he's a good guy:

“I know the Americans are inherently disposed against us, but when they talk with us, they will see that I am not the kind of person who would shoot nuclear weapons to the south, over the Pacific or at the United States,” Mr. Kim told Mr. Moon...

And all he wants, he said, is for us to promise not to invade, and he'll give up his nuclear weapons.

”If we meet often and build trust with the United States and if an end to the war and nonaggression are promised, why would we live in difficulty with nuclear weapons?” Mr. Kim was quoted as saying by South Korean officials....

“I am determined not to repeat the painful history of the Korean War. As the same nation living on the same land, we should never shed blood again,” he told Mr. Moon, according to Mr. Yoon. “I will give you my word that there will never be a use of force.”

Hmm. I hope it works out well. What's this "same nation" concept?

“When I was sitting in the waiting room, I saw two clocks on the wall, one of the Seoul time and the other of the Pyongyang time, and I felt bad about it,” Mr. Kim was quoted as telling Mr. Moon. “Why don’t we reunify our clocks first?”

It sounds like reunification. Here's the Wikipedia article on Korean reunification:

Korean reunification (Korean: 한국의 재통일) refers to the potential future reunification of the Democratic People's Republic of Korea (commonly known as North Korea), the Republic of Korea (commonly known as South Korea), and the Korean Demilitarized Zone under a single government. The process towards such a merger was started by the June 15th North–South Joint Declaration in June 2000, where the two countries agreed to work towards a peaceful reunification in the future....

1. The North and the South agreed to solve the question of the country's reunification independently by the concerted efforts of the Korean nation responsible for it.
2. The North and the South, recognizing that the low-level federation proposed by the North and the commonwealth system proposed by the South for the reunification of the country have similarity, agreed to work together for the reunification in this direction in the future.
3. The North and the South agreed to settle humanitarian issues as early as possible, including the exchange of visiting groups of separated families and relatives and the issue of unconverted long-term prisoners, to mark August 15 this year.
4. The North and the South agreed to promote the balanced development of the national economy through economic cooperation and build mutual confidence by activating cooperation and exchange in all fields, social, cultural, sports, public health, environmental and so on.
5. The North and the South agreed to hold an authority-to-authority negotiation as soon as possible to put the above-mentioned agreed points into speedy operation....

Eventual political integration of the Koreas under a democratic government from the South is generally viewed as inevitable by the U.S. and South Korea....

Reunification remains a long-term goal for the governments of both North and South Korea. North Korean leader Kim Jong-un made calls in his 2012 New Year's Day speech to "remove confrontation" between the two countries and implement previous joint agreements for increased economic and political cooperation. The South Korean Ministry of Unification redoubled their efforts in 2011 and 2012 to raise awareness of the issue, launching a variety show (Miracle Audition) and an Internet sitcom with pro-unification themes. The Ministry already promotes curriculum in elementary schooling, such as a government-issued textbook about North Korea titled "We Are One" and reunification-themed arts and crafts projects.

In Kim Jong-Un's 2018 New Year's address, a Korean-led reunification was repeatedly mentioned and an unexpected proposal was made for the North's participation in the 2018 Winter Olympics to be held in Pyeongchang County of South Korea, a significant shift after several years of increasing hostilities....

Support for reunification in South Korea has been falling, especially among the younger generations. In the 1990s, the percent of people in government polls who regarded reunification as essential was over 80%. By 2011 that number had dropped to 56%.

According to a December 2017 survey released by the Korea Institute for National Unification, 72.1% of South Koreans in their 20s believe reunification is unnecessary, with younger South Koreans saying they are more worried about issues related to economy, employment, and living costs.

Polls show a majority of South Koreans, even those in age groups traditionally seen as being more eager to reunify the peninsula, are not willing to see their living condition suffer in order to accommodate the North. Moreover, about 50% of men in their 20s see North Korea as an outright enemy that they want nothing to do with....

The cultures of the two halves have separated following partition, even though traditional Korean culture and history are shared. In addition, many families were split by the division of Korea. In the practically comparable situation of the German reunification, the 41-year-long separation has left significant impacts on German culture and society, even after two decades. Given the extreme differences of North and South Korean culture and lifestyle, the effects might last even longer. Many experts have suggested that the differences between "Westerners" and "Easterners" ("die Mauer im Kopf", or "the wall in the head") will gradually dissipate as younger generations arise, born after reunification and seeing increasing migration between eastern and western Germany....

The North Korean population is far more culturally distinct and isolated than the East German population was in the late 1980s. Unlike in East Germany, North Koreans generally cannot receive foreign broadcasting or read foreign publications. Germany was divided for 44 years and did not have border clashes between the two sides. By comparison, the Koreas have been divided for over 60 years, and hostilities have flared frequently over the years and hostilities have been becoming more frequent since the ascension of Kim Jong-un as the supreme leader of North Korea. The Korean ethnic nationalist belief that unification is a "sacred, universally-desired" goal to recover an ethnic homogeneity (tongjilsŏng) obscures North-South differences developed since 1945, and risks intolerance for the cultural accommodation necessary for a unified Korean polity.