A story could be that Temari loses her fighting spirit after a particularly brutal battle where she almost loses her life. She starts to question her purpose and falls into depression. Naruto, who has always admired her strength, tries to bring her back to her old self. But as he does so, he is reminded of his own past traumas and the fact that he has been suppressing his own emotional pain. This causes him to also become depressed as he and Temari are sort of mirroring each other's emotional states.
Perhaps in a fanfiction, Naruto discovers some dark secrets about his parents that shatter his world view and send him into a depressive state. Temari, being a friend, comes to Konoha on a diplomatic mission and finds Naruto in this state. She tries to help him by sharing her own experiences of dealing with difficult family situations. However, the more she tries, the more she realizes how deep Naruto's pain is and she herself starts to feel a bit depressed due to her inability to fully help him.
One possible storyline could be that Naruto has to go on a dangerous mission that might cost him his life. Temari is in love with him but can't stop him. She's sad because she might lose him. Another could be that there are political tensions between Konoha and Suna again, and they are forced apart due to their loyalty to their respective villages. They're sad as they have to give up their relationship.
One possible storyline could be that they team up for a special mission that requires their unique skills. Naruto's Rasengan and his ability to connect with others, along with Temari's wind - based attacks and strategic mind, would make them a formidable duo.
One possible storyline could be Naruto is depressed because he feels unappreciated in the village despite all his efforts. Sakura, realizing his state, tries to cheer him up by spending more time with him. They start training together and Sakura slowly helps Naruto see his own worth through her belief in him.
In a fanfiction, Naruto could be depressed because he feels he can't live up to the expectations of the village. Hinata, who has always admired him from afar, decides to step in. She shares her own insecurities with Naruto, making him feel less alone. This mutual understanding leads to them spending more time together. Hinata's gentle presence and unwavering belief in Naruto start to heal his depression, and they eventually fall in love.
Perhaps there are men from a rival village who are jealous of the Sand Village's growing power. They kidnap Temari in an attempt to demoralize the Sand ninjas. Temari, while being held captive, could befriend some of the lower - ranking members of the kidnappers and turn them against their leaders, creating an internal conflict within the kidnapper's group which could be used to her advantage for escape.
One interesting storyline could be them going on a special mission together. They might face a powerful enemy that forces them to combine their unique skills. Naruto's Rasengan and Temari's wind jutsu could be used in creative ways to defeat the foe.
One interesting storyline could be a team - up adventure. Naruto, Hinata, and Temari are sent on a mission together to a far - off land. Along the way, Hinata and Temari start to bond over their shared experiences of growing up in a ninja world. Hinata's quiet strength and Temari's more brash nature complement each other. Naruto, of course, is in the middle, trying to keep the peace and also learning from both of them. They face various challenges like powerful enemies and difficult terrains, and through it all, their friendship deepens.
One possible storyline could be Naruto teaching Temari new ninja techniques. Since Naruto has his own unique and powerful skills like the Rasengan, he could pass on some of his knowledge to Temari. For example, he might show her how to infuse wind chakra in a different way into her weapons, enhancing their power. This could lead to Temari developing new jutsus and becoming even stronger in combat.
If Temari is feeling stressed about her role as a shinobi in diplomatic matters, Naruto could offer his own perspective. He might say 'I'm not always good at the political stuff either, but I've learned that being true to yourself and your village is the most important thing. You're doing great, and everyone can see your strength and determination.' This would boost Temari's confidence and comfort her in her role.
Their friends would likely be very concerned. Shikamaru, being Temari's close friend and Naruto's teammate, would try to use his intelligence to figure out what's wrong. He might start by just spending time with them, not pushing them to talk right away. Sakura, as Naruto's long - time friend, would probably be more direct. She'd try to get Naruto to open up about his feelings, using her medical knowledge to also check if there's any physical ailment contributing to his depression. For Temari, Ino could reach out, as she's good at getting into people's heads. She'd offer Temari support and try to make her feel better about herself.