This is a colored manga or more like Japanese webtoon
the girl was playing tennis but had to stop due to an accident with a tennis player siscon brother. She has a childhood friend and their parents are friends so that's why they always move together. So the guy has unrequited love for the girl but told her but the girl cant accept because she was guilty of her other childhood friend. i think her name is akira idk who liked the guy.
This is a colored manga or more like Japanese webtoon
the girl was playing tennis but had to stop due to an accident with a tennis player siscon brother. She has a childhood friend and their parents are friends so that's why they always move together. So the guy has unrequited love for the girl but told her but the girl cant accept because she was guilty of her other childhood friend. i think her name is akira idk who liked the guy.
This is all I can remember please help me recall
I think you're looking for Ecstasy Hearts??