Yotsuba fights hard through her illness just so she can meet the one she loves Uichi
noooooo
Ah so I stand corrected on my comment last chapter. Considering the fact she died, I'm back to assuming the brother is the one behind the account.And with this chapter, I'm starting to think what if this crazy lady was the one behind the clover account? She's clearly sadistic and if she wants to make yotsuha suffer that'd be the biggest way. Plus she'd know about him cause of the letters
The trope of "Character misleadingly blames themselves too harshly" does seem really likely. Maybe something on the order of "Uichi, is it really you?" and he freaks out which scares her away then she comes back the next day to find out that was his last straw.I assume he's gonna off himself after they get separated (one pushes the other away)