They would likely be shocked and extremely worried. They might immediately try to stop Percy from doing it again and get him some help, like finding a healer or someone who can offer mental support.
The seven are a close - knit group. When they find out, it would be a very emotional moment. Grover might be the first to sense Percy's pain on a deeper level. Jason would offer his strength and leadership to help Percy through this tough time. Piper would use her charm - speak to try to get Percy to open up about his feelings. Leo would try to lighten the mood a bit while still being serious about the situation, and Hazel and Frank would provide their own unique forms of comfort and support. They would all be united in their goal to help Percy heal.
At first, they could be in disbelief. But then, they'd probably surround Percy with love and support. Annabeth, for example, would be very protective and determined to understand why Percy was doing this. They'd all work together to make sure he feels safe and cared for.
It could be related to his past traumas. All the battles he's been through, the losses he's suffered, might be weighing on him and he doesn't know how else to deal with the emotional pain.
Piper would use her charmspeak to try and soothe Percy's troubled mind. She'd also be very empathetic, listening to him without judgment. The rest of the Seven would also come together as a group. They'd create a safe space for Percy, where he could express his emotions freely, and they'd all work together to help him see that he is valued and loved.
They might be shocked at first. They probably didn't expect Percy, who is usually so strong and brave, to be dealing with depression.
The others in the seven, like Jason, would probably feel a sense of guilt for not noticing earlier. They would come together as a group to support Percy. Jason might offer his friendship and strength to Percy, telling him he doesn't have to face it alone anymore. They would also likely start to investigate who was responsible for the abuse.
The seven in this fanfiction are probably a set of characters who are central to the plot along with Percy. They could be his friends or allies in the world of demigods. Maybe they are characters like Annabeth, Jason, Piper, Leo, Hazel, Frank, and others who are on the same side as Percy in the fight against the forces of evil in their fictional world.
They might be shocked at first. They could feel a sense of guilt for not noticing earlier. Maybe they immediately try to comfort Percy and offer their support, like giving him a safe place to stay and assuring him that he's not alone anymore.
In this kind of fanfiction, the seven might react with shock. Percy has a complex past filled with battles and losses. They could become more empathetic towards him, or it might cause some friction as they re - evaluate their relationships with Percy.
The 'Seven' could refer to a group of characters within the same fictional universe as Percy. Without more context, it's hard to say exactly who they are, but they are likely a group that has had interactions with Percy and now admires him.
In this fanfiction, perhaps one of the seven is always on the lookout for any threats against Percy. They could be using their speed or stealth to detect danger early. And when it comes to actual combat, they would jump in front of Percy to take the hits for him. Also, in terms of emotional protection, they might be there to cheer him up when he's feeling down, sharing stories or just being a good listener.
He would probably be very surprised. Percy might start by trying to convince his younger self that he is indeed from the future. He could also be a bit embarrassed by some of the things he did when he was younger.