[The protagonist barely appears in the first two chapters, so don't mistake someone else for the main character.]
Xie Suxing, a third-rate swordsman, has had a life full of hardships.
On the day his parents abandoned him, he was still just a baby when his master, Su Shang, took him in.
Later, his master was murdered, his junior sister went missing, and his senior sister died of a broken heart.
One night, as rain poured down, he drank a pot of wine and incurred a debt he would owe from then on.
Multiple relationships, but the protagonist sees them purely as brothers.
Theme: Cherish the present.