Princess Mayuka Recharges Ultimate Weapon with Earthly Lust

Following the overthrow of her royal family, Princess Mayuka is sent to Earth to awaken the Ultimate Weapon, Akiho. After crash-landing on college student Yoshizumi’s roof, she becomes entangled in his life, believing herself to be his sister. Yoshizumi, growing attached to Mayuka, agrees to aid her mission. Together, they work to unlock Akiho’s powers through primitive stimulation, embarking on an unusual and intimate journey to save her kingdom.