Perhaps a plot where an enemy from a third, unknown dimension is threatening both the Naruto world and Tecna's world. So, they team up, using Naruto's combat skills and Tecna's technological knowledge, to defeat this common foe. Their two groups of friends also have to learn to work together, which could lead to some really fun and interesting interactions between the characters from both franchises.
You can try fanfiction websites like FanFiction.net or Archive of Our Own. They have a wide variety of fanfictions, and you can search specifically for Naruto and Tecna ones. Just use the search bar and type in the relevant keywords.
Obviously, her partner would be very involved. If we follow the relationships in the Winx Club, it could be Timmy. He would be there to support Tecna through the pregnancy, helping with things like getting the right magical supplies for the baby. Another character could be Bloom. As the leader of the Winx Club, she would offer her friendship and support, and might also be involved in protecting Tecna during this vulnerable time.
One possible fanfiction could be about Tecna getting hurt during a battle with the Trix. Maybe she gets hit by a powerful spell and her friends have to find a way to heal her. They could search for a rare magical herb or consult an ancient wizard.
There's a fanfiction titled 'Timmy's Surprise for Tecna'. In this story, Timmy plans an elaborate surprise for Tecna's birthday. It shows their relationship in a very sweet light, with all the other Winx girls also involved in the celebration. It's a really heart - warming read.
Well, perhaps Tecna is hurt while exploring a new, dangerous magical realm. She might step on a hidden trap that was set by an ancient race. As she's injured, her friends have to face their own fears and limitations to rescue her. For example, Musa has to overcome her shyness to ask for help from some local creatures.
One great example could be a fanfiction where Tecna and Timmy's kiss is a moment of realization. It might be set during a dangerous mission. As they face a difficult situation, their feelings for each other suddenly surface, and the kiss is a spontaneous act of love and reassurance. It shows their connection deepening.
Tecna could become more nurturing. Usually known for her logical and technological side, the pregnancy might bring out a softer, more caring side of her. She might start thinking more about the emotional well - being of her family.
One common plotline could be Tecna dealing with the challenges of being a pregnant fairy while still having her duties in the Winx Club. For example, she might struggle to keep up with magic battles or group missions. Another could be the reactions of her fellow Winx members. Some might be overly excited and helpful, while others could be initially worried about how it will affect the group dynamic.