Responses
To make it short: yes. But I'd still recommend reading.
SPOILER (or more like, a few more hints on the plot)
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This third person is butting in (loneliness, slightly toxic behavior), but on the other hand the main characters have a good and clear relationship: are level-headed and communicate healthily. We're up to ch 31 and this 3rd person is coming up with excuses to meet up, after the ml gave him the cold shoulder. Let's see what happens

before i read this, it seems like there is some sort of third person in the story. did mc/ml have sex/like someone else?