here (for research only):
https://boylove.cc/home/book/capter/id/44919
The redhair guy pushed the uke when they were crossing the bridge. So the uke fell into the water, the seme was about to save him but the redhair stopped him by grabbing his hand and said something. The seme slapped his hand and went into the water to save the uke but it was too late. They were separated. The uke was saved by the hot guy while the seme arrived at another place, like he jumped a little too late that's why the destination was not the same. I guess that the hot guy told the uke to ahem eat his sandwich to thank him ╮( ̄▽ ̄)╭ not sure if that was why he did it tho
NOW I WANNA SEE CH23 CUZ WHO IS THIS FINE ASS MYSTERY MAN YOU TALKED ABT