07th Expansion Party
The 07th Expansion Party is an annual event held in Japan celebrating the works of 07th Expansion. The first 07th Expansion party was held on May 5th, 2012.
07th Public Bath
The 2020 07th Expansion Party was held on November 11, 2020. Due to the COVID-19 pandemic, the Party was held as an online event dubbed the 07th Public Bath, a reference to the virtual chatroom called the "Public Bath" in Ciconia no Naku Koro ni. A booklet of bonus material was released alongside concept art of several When They Cry characters.