ま真maっさき先sakiまっmaさき先saki
1.
The position of being the very first or at the forefront of an action or event, often implying urgency or priority.
2.
The state of leading or being ahead in a sequence, signifying the initial point of something that is about to happen.
3.
The condition of being in the most advanced position, particularly in relation to activities or tasks, emphasizing a proactive approach.
Example:
あすの朝まっさきにそれを片付けます。