Tanjuro actually knew full well that, at his current age, the moment he activated his Demon Slayer Mark, the life Tamayo had pulled back from death's door just over six months ago would begin its countdown.
But when he woke from unconsciousness and saw Tanjiro knocked senseless by Muzan's sonic blast, he ultimately could not stay rational as a father.
After confirming that Tanjiro was still alive, he activated his Demon Slayer Mark and charged straight in, blocking the culprit who had hurt Tanjiro.
Of course, another reason he dared to do this was that Tamayo was in a makeshift tent not far away.
It had been prepared specifically for Tamayo and Yushiro, who were treating the wounded and preparing talismans inside.
Tanjuro only needed to hold Muzan off for a while before he could go over and receive treatment.
The only question was whether he could survive against Muzan, who was throwing everything he had into escaping, until the others arrived to help.
As things stood, Tanjuro had succeeded.
Kanzaki Kumo and Gyomei took his place, and he still had some time before his life's countdown reached zero.
However, he would no longer be able to help with the battle.
The time remaining until dawn was not enough for him to undergo Tamayo's full course of treatment.
Against Muzan's all-out assault, even Kanzaki Kumo and Gyomei together could barely hold their ground. The occasional attack that slipped through was enough to leave a venomous wound on them.
Both had already suffered some damage to their internal organs from Muzan's sonic blast, and now they were resisting on sheer determination.
Fortunately, amid the Demon Slayer Corps' fervent hopes and under Muzan's terrified gaze, the sun finally peeked over the distant mountaintop.
The first rays of sunlight on that summer