プロセカはグループ外の絡みもよき！ということでまとめました🎉
司くんと雫ちゃんが幼馴染だったらとっても嬉しい…😂

It's also nice to have Project Sekai characters having out-of-group relationship! So I made this collection. 🎉
I'd be happy if Tsukasa-kun and Shizuku-chan were childhood friends…😂