Kimihito wird von allen drei Chimären-Damen, die bei ihm zu Hause eingezogen sind, heiß begehrt. Deshalb kommt es immer wieder zu heftigen Eifersuchtsscharmützeln.
When Papi tries to seduce Kimihito during their bath, Centorea rescues him and they flee to the park where they share a tender moment. They are soon followed and interrupted by Miia and Papi, and the three begin fighting for Kimihito's affection. Smith arrives with a tranquilizer gun to stop them, but accidentally shoots Kimihito instead. When he wakes up at home, the three are apologetic for the harm they have caused him, but he dismisses their worries. Smith then announces that there has been a change to the Interspecies Exchange Bill, and she wants him to marry one of the girls as a test case. That night, Miia arrives in his room and tries to seduce him, only to be interrupted by Papi, who crashes through the window. Centorea arrives and explains that the full moon is to blame their abnormal behavior; however, it soon becomes clear that she is also affected.
Les choses s’accélèrent pour Kimihito qui doit soudainement penser au mariage avec une de ses trois invitées. Madame Smith vient en effet de l’informer que la loi d’échanges interespèces va bientôt évoluer pour que les espèces puissent aller plus loin dans leurs échanges. Les relations entre les colocataires s’enveniment.
Le ospiti della famiglia Kurusu sono improvvisamente diventate tre. Non essendosi ancora abituato a vivere con delle ragazze mostro, la vita di Kimihito è piena di problemi. Miia diventa gelosa ogni volta che lo vede aiutare le altre. Dato che tutte amano Kimihito a modo loro, le tre arrivano presto ai ferri corti.
来留主家のホームステイはあっという間に３人に♡ モン娘たちとの慣れない共同生活は、ハプニングの連続。公人が自分以外も世話を焼く様子を見たミーアは、ヤキモチがピークに達してしまう。 それぞれの遣り方で公人を思うあまり、３人は決闘を始めてしまい！？ 墨須から他種族間交流法改正のテストケースとして、モン娘との「結婚」を命じられた公人。普段よりも過激で妖艶なアプローチと、モン娘ならではの力強さで迫ってくる３人に、公人は身の危険を感じ部屋から逃げ出した。何故なら今夜は満月。モン娘の本能が最も呼び覚まされる夜だったのだ♡
물에 들어가고 싶다는 파피의 말에 키미히토는 수영복을 들고 욕실로 향한다. 그리고 손이 없는 파피에게 수영복을 입혀주는데...
La convivencia entre especies es cada vez más complicada y peligrosa. La lamia, la harpía y la centauro pelean constantemente por la atención de su amado. Luego, aparece Smith y le hace una propuesta bastante inesperada a nuestro protagonista, quien, tras una alocada noche de luna llena, tomará una importante decisión.
