Hibi Chouchou x Hirunaka no Ryuusei

Hibi Chouchou and Hirunaka no Ryuusei crossover bundled with Margaret 2014 #11 as separate-volume supplement.

Hirunaka no Chouchou: Shopping Biyori no Shinhakken (A Shocking Day for New Discoveries)
A shopping mall date with Suiren and Kawasumi. But... Suiren gets lost?! She and a small girl find themselves at the Lost Child c...