Singer Huhgak respects his senior Shin Seung Hun but doesn't exchange phone numbers? = Revealed in ”Immortal Masterpiece 2”

Why did singer Huhgak, who appeared on the music variety show "Immortal Masterpiece 2," passionately sing Shin Seung Hun's song during a dinner party?
KBS2's "Immortal Masterpiece 2," which will be broadcast on the 20th, will feature "Artist
Shin Seung Hun" episode, where he visits viewers. On the same day, Huhgak appeared on "Artist
He drew attention by saying that he sent a video letter to the production staff in preparation for his appearance in the "Shin Seung Hun" episode.
Huhgak said, "During dinner, Lim Han-byul mentioned that she would be appearing in the Shin Seung-hun episode. 'By the way, why haven't I received any offers?
"I thought, 'I wonder if it's a song that I can sing,' so I improvised and sang Shin Seung Hun's song." He continued, "In fact, Huhgak recorded a video of him singing Shin Seung Hun's song at a dinner party, saying, 'It's a timeless song.'"
He conveyed this message to the production staff of "masterpiece2" and that this was the trigger that allowed him to perform on stage this time. On the other hand, unlike Huhgak who expressed his fan's feelings, Shin Seung-hoo
Huhgak drew attention by saying that he refused to exchange phone numbers with Ng. "Whenever I go to karaoke, the last song is always a song by a senior. It makes me very nervous," he said, showing his special respect for Ng.
However, when juniors who are close friends with Shin Seung Hun whispered to him, "When you call your senior, it usually takes more than an hour," Huhgak replied, "I don't think you need to take the number. I've always
Huhgak is the first Korean singer to combine pop music with classical music, and he sang the mega-hit song "Invisible Love" by Shin Seung Hun.
He also mentioned that he will be singing "Love" again, raising interest. He expressed his aspirations, saying, "After my appearance was confirmed, this song was my top priority from start to finish. I will show you the depths of sadness that I can show in my life."
Shin Seung Hun's edition features "Daybreak," Jung Jun Il, Lim Han Byul, Huhgak, and "Son E Ji
U", Anh SiNae, Yoo Chae Hoon, Jeong Seung Won, "YOUNG POSSE", ZO
A total of 10 groups, including ZAZZ, will be performing on stage. "Immortal Masterpiece 2" will be broadcast in Korea from 6:05 pm on the 20th.