Poor Murakumo, sibling zoned.

Wow, he legitimately believes she's his sister.

Jarlath said:

Poor Murakumo, sibling zoned.

To be fair, have we had any hint that she sees him as anything but a little brother (tsundere as she may be about that relation)?

asilentharmony said:

To be fair, have we had any hint that she sees him as anything but a little brother (tsundere as she may be about that relation)?

Exhibit A

Jarlath said:

Exhibit A

Depending on intent, that might still not exclude her viewing him as a little brother. (Sisterly affection and all that.) She's definitely shown signs of missing the "big sister" appellation.

Take responsibility oneechan.

Jarlath said:

Poor Murakumo, sibling zoned.

Hah, if you ask certain people, being siblings just makes it even better! >:)