While doing AKB48 Natsu Matsuri concert the group has revealed their 58th single "Ne mo Ha mo Rumor" tracklist.
The tracklist contains 6 titles, one of them is Yokoyama Yui graduation song.
AKB48 58th single "Nemo Hamo Rumor" tracklist:
1. Nemo Hamo Rumor (Senbatsu / Available for All Type)
2. Hanarete Ite mo (All Member & 10 graduate member / All Type)
3. Ousawagi Tengoku (Second Generation / Type A)
4. Seikou Toutei (Team 8 / Type B)
5. Kimi ga Inaku Naru 12gatsu (Yokoyama Yui / Type C)
6. Black Jaguar (First Generation / Theater edition)
The terms of "First Generation" means the senior members, that means from 3rd generation to 15th gen and the other group "second generation" is the younger members.
Osawagi Tengoku (大騒ぎ天国) -> Noisy Heaven
Seikoutoutei (西高東低) -> High pressure West, Low pressure East (Meteorological term)
Kimi ga Inaku Naru 12-gatsu -> December, the month you'll be gone.