adverb
immediately; at once; right away
Indicates that an action happens without delay, often in response to something. Similar to すぐ, but すぐと can sound slightly more emphatic or literary.
彼は呼ばれるとすぐと返事をした。
He answered immediately when called.
雨が降り出すとすぐと洗濯物を取り込んだ。
As soon as it started raining, I brought in the laundry right away.
adverb
directly; in person; firsthand
Used when something is done without an intermediary, face-to-face, or by oneself. Often appears with verbs like 話す, 聞く, 渡す.
その話は本人からすぐと聞きました。
I heard that story directly from the person themselves.
書類は担当者にすぐと渡して
Please hand the documents directly to the person in charge.