The following is a list of the only good things the Seiryuu Seishi did.
The Only Good Thing....
The only good thing Nakago did was....kill Ashitare.
The only good thing Soi did was....tell Miaka's she wasn't really raped so the blasted girl would stop running!
The only good thing Miboshi did was....shutting Miaka up by taking her voice away.
The only good thing Amiboshi did was....everything he did after he fell into the river.
The only good thing Suboshi did was....kiss Amiboshi. (That was kawaii!)
The only good thing Tomo did was....die.
The only good thing Ashitare did was....dying twice.