Judging by the annoyed Reimu, those two kittens are staying in Hakurei Shrine for whatever reason. Though I don't recall there is a hot spring near the shrine...
KyunThen it's best for you to raise them yourselves......Relaxing~KyunYum yum~Living with CatsNyanCats are cute~Onsen-boiled eggsGeez- Every single day...Shock