I just finished the novel. MTL is readable, you should try it.
New manager is likable. Though he is not the exclusive manager of MC, so he is mostly giving her works, arranging her schedule, and helping on the PR, rather than be with MC all the time.
One time, MC being her own fanbase president got out and she got ridiculed, he was like 'sell miserable! Sell miserable!' and MC ends up writing her own official statement (her being a wife fan was already public at this point). He lamented that she is better at PR than the actual PR department.
(ML's assistant also had the same sentiments when her 'secret' wife fan account posted a counter article in the forums against the black fans. He wanted to 'dig' her and invite her to the PR department. ML gave a sidelong gaze at MC who 'tap tap tap' angrily in her phone, unaware.)
Manager mostly laments that MC is a good child, independent and had potential. But then there is ML who is a fox. He is going to destroy MC!
'MC is chasing the star. ML is chasing the person.'
MC firstly confessed to him after ML and MC confirmed their relationship. He scolded MC then went to the computer. He wrote 'Relationship Exposure PR Plan'. Poor him.
When MC plans to go to school. He arranged everything from her testing, tutorial, school and etc etc. He even look after her doing her assignments. Assistant commented that he is practicing on MC on how to send his daughter to school.
He was the one stressed out about the whole relationship affair that it was said that he was MC's father on this version of her.