Keiji has the ability to see the red string of fate between people. Ends up seeing his string connected with Hiro so he tries everything to break the connection before falling in love
Main- Akai Ito No Shikkou Yuuyo
Spin-off- Kanawanu Koi no Musubikata
Sequel- Tsunaida Koi no Kanaekata
Akai Ito No Shikkou Yuuyo