Tolong jelaskan mengenai "Boku ga Maketa Natsu" dari Zetsumetsu Kurokami Shoujo

Tim N: Mayu Ogasawara, Rika Kishino, Haruna Kinoshita, Riho Kotani, Kanna Shinohara, Aina Fukumoto, Nana Yamada, Sayaka Yamamoto

Tim N: Kanako Kadowaki, Rina Kondo, Kei Jonishi, Miru Shiroma, Shiori Matsuda, Yuuki Yamaguchi, Akari Yoshida, Miyuki Watanabe

Tim N: Mayu Ogasawara, Kanako Kadowaki, Rika Kishino, Haruna Kinoshita, Riho Kotani, Rina Kondo, Kanna Shinohara, Kei Jonishi, Miru Shiroma, Aina Fukumoto, Shiori Matsuda, Yuuki Yamaguchi, Nana Yamada, Sayaka Yamamoto, Akari Yoshida, Miyuki Watanabe

Kenkyusei: Riona Ōta, Ayaka Okita, Rena Kawakami, Momoka Kinoshita, Arisa Koyanagi, Mizuki Hara, Ayame Hikawa, Natsumi Yamagishi