But if you want to apologize, the best way is to be honest with her, find her face to face, explain to her the whole story and the reason why you cheated her, and promise that it will never happen again. I hope she will forgive you.
You can also pick her up after work, take her to dinner to buy something she likes to eat, apologize to her at dinner, say your mistakes and explain the reasons.
A sincere apology is mainly manifested in your attitude. If she doesn't want to forgive you, you can't give up. It's okay to talk to her properly.
Since it is an apology, you must explain why you lied to her and how to correct it in the future.
You can also send her a WeChat, call her, see how she treats you, and then decide the way to apologize.
The best way to coax a girl is to give her favorite gifts, bags and jewelry. Use this gift as a medium of apology. You can also find your friends and ask them what they think of your cheating on her. Then see if friends can solve the problem better and persuade girls not to get angry.
A sincere apology doesn't need too many means. As long as you go to her with a sincere heart, she won't say much.
You can also take her out to play. In the process of going out to play, you can talk about your by innuendo.
Invite her to the movies. Movies are a good way to relax. Maybe you can find the emotional voice in the movie, so as to enhance your feelings.
Ask her friends to sing or eat together, and she is more willing to forgive you in the atmosphere of friends.