There are several options. One could be Comico, which often has a wide range of manga available. Another option is Webtoon, although it's not guaranteed that 'Me and My Yandere Girlfriends' will be there. Sometimes, specific fan forums or communities might also share links, but make sure to follow the rules and be cautious of potential copyright issues.
There were many novels in which the man ignored his current girlfriend for his ex-girlfriend, such as:
1 " Why Are You Silent?" It was about the male lead, He Yichen, who missed his current girlfriend because of his ex-girlfriend, Zhao Mosheng. In the end, the two of them got together.
[Three Lives Three Lives Ten Miles of Peach Blossom]: The story of the male protagonist, Ye Hua, missing his current wife, Susu, for his ex-fiancée, Bai Qian.
3 " Flowers Are Not Flowers, Fog Are Not Fog ": The story of the male protagonist, Mo Yu, forgetting his girlfriend, Qin Shiya, for his ex-girlfriend, Lin Shiyin. In the end, the two of them ended up together.
4." Palace Heart Locking Jade ": It was about the male protagonist, Yongzheng, who missed out on other women for his ex-girlfriend, Zhen Huan. In the end, the two of them got together.
5 " Ode to Joy ": It was about the male protagonist Andy, who missed his girlfriend Guan Juer for his ex-girlfriend Qu Xiaoxiao. In the end, the two of them came together.
These novels all had similar plots, where the male protagonist ignored his current girlfriend for his ex-girlfriend, but the two eventually got together.
Well, one key difference could be the plotlines. 'Me and My Yandere Girlfriends' might have more unexpected twists and turns compared to others. Also, the art style could set it apart, with unique visual elements that make it stand out.
Girlfriends' sisters in online stories can also be the source of unexpected friendships. The main character may find that he has more in common with the sister than he initially thought. This can lead to unique storylines where the relationship between the protagonist and the sister evolves in an interesting way, separate from his relationship with the girlfriend.
A friend of mine has a girlfriend who is an artist. He encourages her to pursue her art by going to all her exhibitions and helping her set up her studio at home. Their relationship is based on mutual support and admiration.
Once my girlfriend wore a bright red hot bikini at the beach. The color was so vivid that she stood out among the crowd. She was confident as she walked along the shore, the sun shining on her. Everyone couldn't help but look at her. It was a simple yet memorable moment.
Often in online stories, girlfriends' sisters are used to create a sense of family. They can bring in family traditions and values that influence the relationship between the main character and the girlfriend. For example, if the family has a tradition of a certain celebration, it can be a backdrop for the couple's relationship to develop within the story.
The girlfriend's little sister might be into sports. Let's say she was training for a running event. The couple supported her by going to her practice sessions, cheering her on. And on the day of the event, they were there at the finish line, waiting for her with big smiles and hugs. This kind of support made the little sister feel really loved and encouraged her to keep up with her passion for sports.