Vol. 1: Egao no Ura ni wa Vol. 2: Yasashi sa no Ura niwaVol. 3: Himegoto no Ura ni waVol. 4: Hatsukoi no Ura ni waVol. 5: Dekiai no Ura ni wa

Nobuo is an ordinary salaryman with a dark secret-his wife is an alien. Despite her tentacle hair and tendency to shoot beams from her eyes, he wouldn't trade her for anything. Love knows no bounds in this...

Hello! This is Koiwai Yotsuba, Yotsuba Koiwai...um, YOTSUBA! Yotsuba moved with Daddy to a new house from our old house waaaaaaay over there! And moving's fun 'cos people wave! (Ohhhh!!) And Yotsuba met these...