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i think its this one: http://www.mangago.zone/read-manga/the_source_of_maliciousness_haikyuu_dj/
![](https://pic1.mangapicgallery.com/r/avatar/08/u49344_50x50.jpg?2)
Congrats on finding it but I might interest you in a full-length, original manga with a similar concept. I personally like it too.
http://www.mangago.zone/read-manga/akai_ito_no_shikkou_yuuyo/
It's about childhood friends, one could see that they are fated because of the 'red sting' and he cuts it everytime they fought but it will always reconnect.