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Summary
Featured characters:

Tughril Mahmut from Shoukoku no Altair

The Demon Lord, Akari and their daughter from Isekai de Saikyou Maou no Kodomotachi 10-nin no Mama ni Nacchaimashita.

Roux Cristasse from Mahoutsukai no Reimeiki

Jie Mao, Nami Savrasova, and Shinbou Aza from Die Wergelder

Kokona Amagasaki from Shougakusei ga Mama demo Ii desu ka?

Hime Yarizakura from Yozakura Quartet

Red Blood Cell from Cells that Don't Work!. White Blood Cell U-1146, and Platelets from Cells at Work!

Alexander Purchinov from Ride-On King

Yuika from Dungeon Sherpa: Meikyuu Michisaki Annainin

Rimuru Tempest, Milim Nava and Shion from Tensei shitara Slime Datta Ken along with Phos from the spin-off manga Tensei shitara Slime Datta Ken Ibun: Makokugurashi no Trinity and Rimuru Tempest in chibi form as depicted in the spin-off Tenchura! Tensei Shitara Slime Datta Ken

Shun'ei from The King of Fighters: A New Beginning

Shishin from BAKUEN

Shiro Ninomiya, Blanca Leroux and Mech from Mugou no Schnell Gear

Yushi Inaba from Youkai Apartment no Yuuga na Nichijou

Wife (???) from Uchi no Danna ga Amachan de

Yoshiko Kawashima from Kawashima Yoshiko wa Otoko ni Naritai

Man & Cat (???) from Raising Hell

Etherow and Titania from APOSIMZ

Zen from Bootsleg

Kuzuno Sekai from Time Stop Brave

Poemu Kohinata and Tougou Sakuradaimon from The Story Between a Dumb Prefect and a High School Girl with an Inappropriate Skirt Length

Lillianne von Phoenix from Princess Resurrection

Märchen and Elise from Kyuuyaku Märchen