Because they just can't stand it.

For a youkai rabbit, their original lifespan of 5-6 years is but an instant.

As their companions start dying around them, they were overwhelmed by the loneliness of being the only one remaining and fell into despair. They become dejected.

Even after becoming a youkai, a rabbit's delicate side —

— doesn't change that easily.

...In other words, Tewi-sama, as you've stayed alive since ancient times —

— you must be a truly strong-hearted lady.

You are the reason that living as a youkai —

— has been a blessing to me.

...Strong, huh?

In that case, why...