I was Caught up in a Hero Summoning, but that World is at Peace (WN) - Chapter 34: Intermission: Tea Party of Black and White ~ The Supplier of Incorrect Knowledge ~

Haruka, consulted by a friend who ran into a ghost at school, goes to the Movie Research Circle to see a man with mysterious powers. However, the person who meets her there is an affected young man with terrible bed hair and sleepy eyes. What does Haruka consult him about? A confinement and murder case at a women’s university, a false suicide case… The great detective who can see the spirits of the dead, Saitou Yakumo, takes these cases on in this astoundingly high-speed spiritual mystery!

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

I am Uchiha Shirou! I represent all bloodline families in the Shinobi World. This is a world that values the power of bloodlines!Under the true Will of Fire, the rise of Konoha has brought about an unprecedented revolution in the entire Shinobi World!Studying medicine won’t save the Shinobi World!This is the story of my struggle!