Lalang Baimao Group
Senju Tobirama x Hatake Sakumo
A collection of short stories under the same AU, updated from time to time
if Hatake Sakumo traveled to the Warring States Period and met the two Senju brothers, but he made an unexpected sacrifice before the establishment of Konoha and returned to the original timeline.
In addition, Kakashi is a student of science
Intention: Kakashi has no shortage of blue!