At first, they would likely be awkward around each other. But as they get to know each other better, their interactions could become more flirtatious. For example, Android 18 might tease Goku about his Saiyan appetite, and Goku would respond with a shy smile. Then as the story unfolds, they would have more intense physical and emotional interactions.
Well, Goku being who he is, might be a bit clueless at first about Android 18's feelings. Android 18, on the other hand, could be more forward. She might initiate conversations that lead to them spending more time alone. As they do, they start to discover things they like about each other. This could lead to some tender moments like holding hands, which then escalates to more romantic and physical interactions as they both let their guards down.
They might start with some hesitant glances and then progress to small touches during their training sessions together. Eventually, they could share some passionate embraces.
Goku would interact with Kale in a way that he wants to explore her powers. He might ask her a lot of questions about how she became so strong. Kale would respond with shyness but also with pride in her abilities. They would start to train together, and Goku would encourage Kale to push her limits. As they train, their relationship would grow, and they would become friends who trust and rely on each other in battles.
Their interaction could be quite interesting. Goku might be curious about Android 21's abilities, always eager to test his own strength against hers. Android 21 could be initially guarded but gradually open up to Goku's friendly and straightforward nature.
Naruto would probably be very curious about Android 21. He'd likely approach her with his usual friendly and open - minded attitude. Android 21 might be a bit reserved at first, but Naruto's enthusiasm could break the ice. They could start by just talking about their different abilities.
Naruto and Android 21 might interact in various ways. At first, Naruto would probably be very curious about Android 21. He's used to dealing with all kinds of strange things in his world, but Android 21 would be a whole new level. Android 21 could be interested in Naruto's physical abilities and chakra system. She might try to approach him in a friendly way to study him, but Naruto, being a ninja, would be cautious. Eventually, they could either become friends if Android 21 proves she has good intentions or remain enemies if she tries to harm Naruto or his friends.
Naruto would probably be very curious about Android 21. He'd be asking her a lot of questions about where she came from and what her powers are. Android 21, on the other hand, might be initially confused by Naruto's overly friendly and energetic nature.
Well, Goku's Saiyan powers are all about brute strength, speed, and the ability to transform into more powerful forms. Android 21 has her unique android abilities like energy absorption and regeneration. If they combined their powers, they could create some really powerful attacks. For example, Goku could charge up a Kamehameha while Android 21 absorbs energy from the surrounding environment to make the attack even stronger. Their combined speed would also make them a formidable duo in battle.
In some lemon fanfiction, their interaction can be filled with tension. Goku, being the good - natured Saiyan, may be initially wary of Frieza. But as the story progresses, they might find common ground. For example, they could start to respect each other's power.
Chi - Chi might be one of the first to support them. Despite her past relationship with Goku, she could see how happy Goku is with Android 18 and decides to be happy for them. Also, Krillin would likely support the marriage. He has a deep friendship with both Goku and Android 18. He knows Android 18 well and trusts Goku, so he would be all for their union.
Goku would probably be really excited to meet Naruto. He'd be interested in Naruto's ninja skills and might ask to learn some of them. Naruto would be in awe of Goku's power at first but would quickly warm up and see him as a friend. They'd likely start by comparing their abilities and then team up to face a common threat.
Vegeta would likely be arrogant towards Chibi Goku at first. He'd see him as just a puny Saiyan child. But Chibi Goku, with his innocent charm, might start to break down Vegeta's tough exterior. For example, Chibi Goku could offer Vegeta some of his food, which is a very Goku - like gesture. Vegeta would be taken aback but might slowly accept it. Then they could start to have simple conversations about their Saiyan heritage.