Tsuki Tsuki!

In the midst of an ordinary morning, Shinobu is confronted with an extraordinary and bewildering situation: a naked blonde girl is sleeping beside him, and he has no memory of how she arrived or even who she is. The sudden and inexplicable appearance of this mysterious girl sets off a chain reaction, culminating in a distressing encounter with his sister. As the situation unfolds, Shinobu must navigate the complexities of this unexpected turn of events, seeking answers to the fundamental questions: who is this enigmatic girl, and how will her presence impact his life?