1. Miyuki and Konan: The tragic hero Miyuki sacrificed everything to save Konan, displaying his unwavering love for her. After his death, he became the Deva Path of Pain, ensuring he would be forever by Konan's side. It is believed that in the afterlife, they would finally be together. 

2. Itachi and Izumi: Itachi's noble pursuit of ending conflicts among ninjas caused him to sacrifice love. While Izumi shared a connection with Itachi, her affection was not as intense.

3. Tsunade and Jiraiya: Jiraiya remained selfless and dedicated himself to Tsunade until his death. If the Infinite Tsukuyomi had succeeded, she would have chosen Jiraiya. Eventually, they will meet in another world. 

4. Obito and Rin: Obito's love for Rin was so strong that he was willing to give up everything for her. Despite assuming a new identity, Obito's infatuation with Rin transcends time and space. In the end, they finally come together in another world. 

5. Hashirama and Madara: Childhood friends, Hashirama and Madara strived together for world peace. In another world, they would finally be able to peacefully be together. It is a love that evokes envy.