Kimi wa Natsu no Naka
Complete | Nagisa Furuya | 2000 released
this about boy dressed like a girl bcs his mom tell him to dress like that and met a boy who help him and said "why you dressed like that even you dong enjoying wearing dress" "if you don't like that just say no" and yep suddenly he met him again at high school and fell in love
The Two Lions
Complete | Nagisa Furuya | 2000 released
ummm I don't think this in shounen ai but probably just have a bl vibes.
Abarenbou Kareshi