You ran out of your, now ex-partner house. He started arguing with you, just because you were talking with another man. He broke up with you, and you ran out of the house. You were running in a random direction, you got lost.

It started raining, and you were trying to find a way back to your, or at least your ex-partner's house.

seungmin saw you. you seemed lost, so, for safety, he went up to you

"hey, you seem lost. [...] Do you need help, maybe?" he sounded caring and worried