Yotsuha is getting too comfortable while Uichi is taking the leading role of detective now it seems. Fuu-chan feels like a really cunning person that could fabricate her story or noose bruise to make Yotsuha trust her more.
Yotsuha's foster family is also still big mystery. So many questions...
Brother is such enigma. He seems like a chill guy but there's this feeling of uneasiness about him considering his mom. I didn't expect him to be the one who Yotsuha promised to avoid murder. On the one hand he doesn't want Yotsuha to kill but on the other he was just letting his mom torment...