While the relationship officially ends, the "shared secret" mentioned at the close and the after-story titled "A Momentary Chance Encounter" imply they remain together in private.

Kyousuke and Kirino hold a private, "pseudo-marriage" ceremony at a church. They share a kiss, which many fans and interviews suggest was on the lips, despite the anime framing.

Following their agreement to be a "couple until graduation," Kirino returns her ring to Kyousuke, and they ostensibly return to being normal siblings.

The 16th episode of the second season of (full title: Ore no Imōto ga Konnani Kawaii Wake ga Nai. ) is the final episode of the series, titled "My Little Sister Can't Be This Cute." . It originally aired as part of a three-episode Original Net Animation (ONA) arc that concluded the story following the regular 13-episode television broadcast. Episode Summary