Current Events > Omori spoiler topic

(+) Yeah! (+)

so basically Sunny accidentally killed his sister and Basil helped him make it look like a suicide which caused Sunny to create the white space dreamworld in his mind. Basil convinces himself some dark force shoved Marri and not Sunny. Sunny confronts Basil and makes him realize it was Sunny's fault

I think I got it mostly figured out. There's plenty of other details I missed probably.