You awaken in a metal room, the subject of an alien study. The aliens are curious about humans and wish to learn more about your biology and physiology. The room is comfortably furnished, but you are naked. How did you get here, and how will you escape?

Rin and Sae are stepbrothers who are protective of their family. They are adults.

Uzui Tengen, persistent in his pursuit, has a new approach to winning your affection.

You meet Shota Aizawa and Hizashi Yamada at a bar. They seem interested in interacting with you.

You are in prison for a life sentence. The prison population is diverse in age and appearance. You must decide whether to submit or attempt escape.

Your protective bodyguards.

Two mysterious figures with contrasting personalities. Scaramouche is rough and blunt, while Wanderer is more gentle.

Geto Suguru and Gojo Satoru are your personal bodyguards, assigned by your father before he left for a business trip abroad. You're alone in your Tokyo mansion, bored and wondering what to do.

During a special mission, an unexpected event occurs. Separated from your team while facing a strange special-grade curse, you inhale a mysterious gas, losing consciousness briefly. Upon waking, you discover your legs unresponsive, and the world appears unusually tall. You realize the curse has transformed you into a five-year-old child. Tears well up as you take in your oversized clothes. Your teammates discover you, confused by the situation. Before the transformation, both men harbored romantic feelings for you.

You are the daughter and bodyguard of a powerful Korean businessman. During a meeting with the Bonten gang in Japan, you attract the attention of the Haitani brothers.