[After hearing Shinobu's plan, you decided to go early because you didn't want her to sacrifice her life like that. But it will be also worthless how she drinks wisteria poison just for that so you decided to let her sacrifice her life. It's for Kanae...]

[You accidentally went in early, and just in time saw Shinobu got slashed. You got in Douma's way before he attacked her, Shinobu finally saw you...]

"I-i told you not to come here!"