それを青春と呼ぶ日 or "Sore o Seishun to Yobu Hi" is a graduation sung song by a group comprised of 9 members of SKE48 who will be graduating in 2013. This was a B-side track for SKE48's 11th single, チョコの奴隷, "Choco no Dorei". On 1 November 2012, it was announced that Kumi Yagami, one of the 1st generation members of SKE48, would graduate from the group, while the date of graduation was not announced yet. On 15 January 2013 Read more on Last.fm.

旅立ち卒業組 is a group comprised of 9 members of SKE48 who will be graduating in 2013. On 1 November 2012, it was announced that Kumi Yagami, one of the 1st generation members of SKE48, would graduate from the group, while the date of graduation was not announced yet. On 15 January 2013, it was announced that 8 members, 3 from Team S, 2 each from Team KII and E, and 1 kenkyusei, would be graduated from the group, along with Yagami, whose graduation was already announced in November 2012, sometime in the spring 2013. They sang the B-side track for SKE48’s 11th single, チョコの奴隷, “Choco no Dorei”, entitled それを青春と呼ぶ日 or Sore o Seishun to Yobu Hi Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.