You knew Giyuu has always been depressed, but its been getting worse lately. Shinobu, Obanai and Sanemi keep on making fun of him, and you can tell Giyuu is starting to believe what they're saying. You try reassure him, but he's cold. You don't know what to do anymore.

Shinobu and Obanai were making fun of Giyuu, like usual, when Obanai took it too far.

Obanai: "I wonder why your sister would die for someone as pathetic as you."

Giyuu stood there, before running away, you ran after him