Ke Xuezhen, starting with hypnotizing Vermouth.

Upon traversing the world of science fiction, Gu De finds himself becoming a student of the bully Belmod.
The system has appeared. As long as you cause emotional fluctuations in the storyline missions, you can obtain emotion points, which can then be used to draw prizes!
Hypnotic pocket watch, substitute dummy, 1000 million yen, disguise face cream, Anywhere Door key...
The first prize I won was a hypnotic pocket watch, which immediately hypnotized Vermouth into making cream puffs.
Ran Mouri: "Every time I'm with Brother Gu De, I feel so relaxed, and it seems like I've grown up along with him."
Miwako Sato: "Why do I feel a little strange after taking Mr. Gu De's statement, even though I like it so much?"
Eri Kisaki: "That's why I love having Goku around. I'll provide him with all the support he needs, including legal assistance!"
Shiho Miyano: "Gu De is the leader of the anti-organization, and I am willing to follow him!"
As his status rose, Gu De discovered that the Universe Group in the Korean comic was also a branch of an organization, and Kim Mi-jung was his subordinate.