Your request shows the intensity of your feelings but a Christian relationship involves more than just emotions. The breakup was a result of actions and behaviors that are not aligned with biblical principles.
Firstly, we must address the anger and neglect that led to this situation. The Bible tells us to be slow to anger and quick to listen.
Ephesians 4:31 "forgiving each other, just as God also forgave us in Christ."
Ephesians 4:26 “Be angry, yet don’t sin. Don’t let the sun go down on your wrath."
Proverbs 15:1 "A gentle answer turns away wrath,
but a harsh word stirs up anger."
Proverbs 14:29 "He who is slow to anger has great understanding,
but he who has a quick temper displays folly."
We are called to love others as Christ loved us, and this includes treating them with kindness, patience, and understanding. John 13:34-35 "A new commandment I give to you, that you love one another. Just as I have loved you, you also love one another. By this everyone will know that you are my disciples, if you have love for one another.” Knowing and feeling sorry is not enough. There must be a change in behavior so this does not happen again.
Domestic violence, in any form, is against God's Will. Smashing a wall or shouting are examples of sins you need to repent of and part of your bssential journey. If you did anything to harm your girlfriend in any way you need to immediately confess this to the Lord to obtain forgiveness and reformation. This is vital for you to even begin the journey back with your girlfriend and possibly become her husband in the near future. 1 John 1:9 "If we confess our sins, he is faithful and righteous to forgive us the sins, and to cleanse us from all unrighteousness." 1 John 2:1 "My little children, I write these things to you so that you may not sin. If anyone sins, we have a Counselor with the Father, Jesus Christ, the righteous."
We see the love you feel, but remember be slow to anger and quick to listen. Love in this situation needs to be wrapped up in caring, responsibility, empathy, a good heart, and treating her with respect. Remember going forward she is not your partner but needs to be your wife, starting with a godly courtship where the goal is marriage and not dating. Given the past, the relationship needs to be different to succeed in the future.
We must also address that a successful Christian relationship should have Jesus Christ at the center. You did not mention the name of Jesus Christ, which means your relationship may not have been focused on Him or He was not regularly included in the relationship. In Jesus' Name is the only way to have access to God. Acts 4:12 “There is salvation in no one else, for there is no other name under heaven that is given among men, by which we must be saved!” Jesus' love for us needs to be a focus of a Christian relationship. Make sure all your prayers include Jesus' Name and make sure to include Him daily in your life both individually and as a couple. Only by His Name do we have access to God.
Knowing how much you love and rely on God, we see a bright future together. We will pray for you both that you end up with each other but always remember the focus is marriage with a godly spouse. If this is to happen between you and your girlfriend church premarital marriage should be sought. God will put the pieces together. Trust in the Lord.
Matthew 19:6 "So that they are no more two, but one flesh. Therefore what God has joined together, let no man separate.”
Heavenly Father, in Jesus' Name, we lift up Anochynx and his girlfriend to You, asking for Your guidance, healing, and restoration in their relationship. Help them to seek You first, to grow in Your love, and to treat each other with kindness, patience, and understanding. We ask forgiveness for his past sins and pray for changes in behavior so that he will never repeat these bad behaviors. Help her see how things have changed and will continue to be different. Help them to forgive each other, to learn from their past mistakes, and to move forward in a godly courtship and a godly marriage if this is your will. Comfort Anochynx in his pain, and help him to trust in Your plan for his life. Most importantly Lord, wrap your love around them both. Help them to know You in a closer, more intimate way, and to see Your good purposes in all things. May they be more each as one flesh, knowing this does not happen until marriage. May You guide this situation to fulfill Your plans and Your Glory. In Jesus Mighty and Holy Name we pray. Amen.
Prayer Focus: God, Thank You for loving me. Thank You for loving me, Jesus. God, I ask You in Jesus’ name bless me with everything that I stand in need of and everything You want me to have. Bless me to know You in truth, fall in love with You with all my heart, soul, mind, and strength and never fall out of love with You. Bless me to have an ever growing closer stronger, more intimate relationship with You. Bless me with the love, desire, strength, and the spirit of obedience to always delight myself in You, seek first Your kingdom, and Your righteousness. Help and strengthen me God to always respect and obey You. Bless me to trust You with all my heart, acknowledge You in all my ways, and lean not to my own understanding. 
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