The professor traveled through Inuyasha, and the half-blood wizard transformed into a deceitful and unpopular half-demon. Forced by life, he became able to act cute and fight...
The big monster Sesshomaru, his cheating father actually left him with a cheating half-demon brother. However, the boy was quite cute at first, but is it really okay to keep this increasingly rebellious but increasingly lovable younger brother by his side?
PS: You have also seen that after so many years, the original manuscript has been lost, so what do you expect...