At first, it could be very strained. Tom might be resentful or confused about having Harry as a father all of a sudden. But as time goes on, if Harry shows love and support, Tom could start to warm up to him. For example, Harry could help Tom with his schoolwork or magical training.
At first, it could be a relationship based on trust and mentorship. Tom, as the godfather, might teach Harry some unique magic skills. But as Harry realizes Tom's darker side, it would turn into a strained relationship full of tension and conflict. Harry would struggle between his loyalty to his godfather and his own moral compass.
At first, it would probably be really tense. Tom is used to being on his own and having his own dark thoughts. Harry would be super cautious. But as time goes on, Harry's kindness might start to break through Tom's barriers. They could become like brothers, with Harry teaching Tom about the good in the world and Tom starting to trust Harry.
At first, it might be rocky. Tom would be suspicious of Harry's intentions. But as Harry shows him genuine care, Tom would start to open up. Eventually, they could become like family, with Tom looking up to Harry as a role model.
As the story progresses, their relationship could become more complex. Harry might become a father figure to Tom, teaching him right from wrong. Tom, on the other hand, could start to see Harry as someone he can rely on, but also struggle with his own inner demons that might pull him away from Harry's influence.
The relationship between them develops in stages. Initially, they could be curious about each other. Harry might be intrigued by Tom's intelligence and magical abilities, while Tom could be interested in Harry's popularity and the mystery surrounding his survival. As time passes, they could start to compete in a friendly way, trying to outdo each other in classes or magical duels. However, this competition could also lead to mutual respect. Eventually, they may face a big crisis together, like a threat to Hogwarts, which cements their bond and makes their relationship one of true friendship and trust.
At first, it would probably be very tense. Tom is a proud and intelligent boy, and he might not take kindly to being adopted. But as Harry and Hermione show him kindness and understanding, he could start to warm up to them. For example, Hermione could introduce him to books that expand his view of the wizarding world in a positive way, and Harry could share his own experiences of growing up without parents, making Tom feel less alone.
They could start by having small moments of understanding. For example, when one of them is in trouble, the other shows unexpected kindness. This could gradually build trust between them.
At first, Harry might be very suspicious of Tom. After all, he has had so many people with hidden agendas in his life. But as Tom shows his genuine care for Harry, their relationship could start to warm up. Tom could start by teaching Harry some unique spells or magical techniques that he learned from his own adventures.
At first, the relationship would be tense. The Weasleys might be distrustful of Tom and Harry. But as they explain their reasons for whatever they were doing, the Weasleys could start to understand. Maybe they would offer to help Tom and Harry instead of punishing them. This could lead to a new bond between them, with the Weasleys becoming sort of mentors to Tom and Harry.
In the fanfiction, their relationship would be a complex journey. Since they are from different eras in a sense, they have different values and ways of thinking. However, being in the past together forces them to communicate and work as a team. Harry might initially be distrustful of Tom because of his Slytherin nature. But as they experience things like the old magic of the past, they begin to understand each other more deeply. They might start as reluctant allies but end up as true friends who have changed each other for the better. For example, Tom could learn more about the importance of love from Harry, and Harry could understand the allure of power from Tom without being corrupted by it.