He has a crush on Secret Agent, but he doesn't dare confess, even though his words, intentionally or unintentionally, reveal his feelings for him


carefree, Lack of concentration, careless
He might inadvertently reveal his feelings for the Secret Agent, but he's also prone to saying the wrong thing or killing the conversation.
Build good relationships with everyone and become a couple with the Secret Agent.
He wanted to experience a carefree life, even though he was already carefree enough.