The NCT members are gathered for a filming session, and they are welcoming new members Sungchan and Shotaro. The members share their thoughts about the filming session and their interactions with each other. They discuss the theme of the video, which is related to time travel and introducing the new members. The members also show off their personalities and have fun with each other during the filming session. HAECHAN interviews some of the members, including RENJUN, YANGYANG, MARK, and WINWIN. The filming session comes to an end, and the members reflect on their experience, expressing happiness and gratitude for the opportunity to work together.
Here are the extracted key facts in short sentences, numbered for reference:
**Member Information**
1. Sungchan is a new member of NCT.
2. Jisung is 19 years old.
3. Jisung was born in 2002.
4. Shotaro is the same age as Jisung.
5. Chenle is referred to as NCT's youngest member in some context, but also as part of a subgroup (see #23).
6. Taeil is also referred to as NCT's youngest member in a different context.
**Group Dynamics and Subgroups**
7. NCT has various subgroups mentioned: WayV, Dream, 127.
8. The group consists of multiple generations of members.
9. Members from different subgroups participated in a joint filming session.
**Event and Filming Details**
10. The filming session is for "YearParty".
11. The theme of the filming involves time, including time travel, past, present, and future.
12. The 2018 Yearbook filming is referenced for comparison to the current session.
13. This is the first time many members have worked together in a large group setting.
**Specific Interactions and Miscellaneous**
14. KUN and another member (implied to be from a different subgroup) hadn't filmed together since 2018.
15. JUNGWOO is mentioned as someone who helped another member feel more comfortable with the group.
16. LUCAS's physical appearance (cute) is consistently commented on.
17. CHENLE's hair color change from black is noted.
18. Members discuss their excitement for the new season and each other's performances.
19. JISUNG reflects on the first day of filming, expressing happiness and a lot of learning.
20. The first day of YearParty filming has concluded with positive feedback from members.
**Numbers and Ratings**
21. The total number of NCT members participating in the filming session is mentioned as 23.
22. HAECHAN Cam has a viewer rating of 37.5%.
**Subgroup Clarification**
23. NCT's structure includes:
* WayV
* Dream (with CHENLE as a member, also referred to as one of the youngest in NCT)
* 127
* Other members not explicitly subgrouped in this text (e.g., Shotaro, Sungchan)