Home and Outside the Home (Hits Exceeded 1 Billion)

Begging for the Age Difference + Low Self-Esteem Puppy + Contrast + the Male Protagonist Who Has a Secret Love

Please read a book where the male protagonist is a puppy with low self-esteem, and his secret love comes true. There is an age difference with the heroine. To the outside world, he is a mature CEO, but to the heroine, he is a puppy with low self-esteem. Please don't abuse me.