Koutetsu Tenshi Kurumi

胡桃覺醒，中仁與朋友調查廢棄屋

Nakahito Kagura and a few friends of his decide to investigate an abandoned house and since Nakahito's family has a history of magic, they decide that Nakahito should go with them to take care of the rumoured mad-scientist living there. Meanwhile the army restricts access to the area. The boys sneak past the guards and Nakahito is sent inside the house. While searching for around, stumbles upon a life-size doll. When a small earth quake causes the doll to fall forward onto Nakahito their lips meet and Kurumi comes to life. (Source: Wikipedia)

Amagi向Ayanokoji施壓，Kurumi拯救Nakahito並揭露莊園的秘密。

Dr. Amagi attempts to coerce Dr. Ayanokoji into working with the Japanese military. When Amagi mistakenly grabs Nakahito, Kurumi rescues him. Nakahito and Dr. Ayanokoji discover they have another mutual associate. Kurumi displays jealousy when Nakahito hugs Kamahito. Dr. Ayanokoji and Kamahito misunderstand Nakahito’s explanation of Kurumi’s activation. Kurumi continues to question why she should proffer any significance to Dr. Ayanokoji. Dr. Amagi discovers another secret within the mansion. (Source: Wikipedia)

冷冽的咲 / 新天使，咲！

A new character by the name of Dr. Brandow joins the Imperial Army, and even more interesting it seems as though he has been previously part of the Steel Angel Project. Meanwhile, Nakahito must now become accustomed to rude awakenings,while Dr. Ayanokoji is convinced the Imperial Army will not be able to awaken the second Steel Angel prototype, but he is unaware of Dr. Brandow's contribution. All of this, of course, means nothing to Kurumi, who is agitated with boredom as Nakahito refuses to give her an order. When he finally does, however, it leads both himself and Kurumi to trouble. (Source: Wikipedia)

仲人對阿雅納科吉博士的說法感到掙扎，而胡桃則害怕他的憎恨。

The Imperial Army's preparation for the second Steel Angel's completion draws closer, during which Nakahito finds himself haunted by the words of Dr.Ayanakoji stating that only Nakahito has control over Kurumi. To make matters worse Nakahito is visited by some familiar characters,the end result leaving Nakahito even more confused and Kurumi afraid that her beloved master hates her. As though we thought things could not get much worse it seems the newly activated Saki is well on her way to causing trouble for Kurumi. (Source: Wikipedia)

咲取得優勢，胡桃猶豫不決，中人的介入使衝突加劇

As Kurumi finds herself forced into battle with Saki, she hesitates, giving Saki the upper hand. In an effort to help, Nakahito seems to just make things worse and discovers that his words put Kurumi in this dilemma. As the fight continues it seems as though no one can help against the wrath of Saki. What will be the final outcome? (Source: Wikipedia)

Kurumi 慘敗於 Saki 之手，Saki 隨後昏迷，必須透過一吻才能完全甦醒。

The battle between Kurumi and Saki continues with Kurumi losing badly. As Saki is about to finish Kurumi, she keels over. Dr. Amagi appears and explains that Saki was awakened by electroshock and not completely functional. The only way to completely awaken a steel angel is with a kiss. To awaken Saki to her full potential, somebody has to volunteer. (Source: Wikipedia)

胃部不適讓出雲之行告吹，三人組拜訪了一位非傳統的醫師。

The groups trip to Izumo comes to a halt when Nakahito gets a stomachache. So, Kurumi, Nakahito, and Amagi go see a doctor, but this doctor isn't your normal kind of doctor. (Source: Wikipedia)

海嘯 / Reiko Amagi，23歲？

Kurumi wants to hurry up and get to the city to spend some time with Nakahito, but the train tracks are blocked by a huge boulder. Amagi forbids Kurumi from moving the boulder to keep from drawing unwanted attention. But after a day of waiting, the army still can't move it... (Source: Wikipedia)

煙火：只屬於我們的煙火之夜

Dr. Amagi reports back to the general and is relieved of duty. Kurumi and her new 'little sister' Saki, repair the damage done by their battle. Yoshiko Koganei and Eiko Kichijoji are assigned by the general to secretly keep an eye on Kurumi and help out if needed. The group spends a night at a fireworks festival, but the sparks really fly when Nakahito is kidnapped and Kurumi sets off to find him. (Source: Wikipedia)

胡桃與中人的綁匪——鋼彈天使加賀、 tsunami 和香織展開激戰

Kurumi finds herself fighting Nakahito's kidnappers, the Steel Angels Kaga, Tsunami, and Kaori. (Source: Wikipedia)

胡桃懷疑中仁與咲在近期事件後存在浪漫關係

A couple of incidents get Kurumi thinking that there is something going on between Nakahito and Saki. (Source: Wikipedia)

胡桃與同伴前往京都尋找在卡林卡戰敗後的沙希

Kurumi, Nakahito, and Dr. Amagi go to Kyoto to find Saki, who is beaten badly by another new Steel Angel, Karinka. (Source: Wikipedia)

第二姐姐 / 我又多了個妹妹

Recovering from an ambush, Saki fights back. The next morning, Kurumi and company notice Saki is missing and Kurumi senses that she is in trouble. They go looking for her, guided by Kurumi's custom angel heart. (Source: Wikipedia)

這不公平 / 我不會放棄！

黑翼 / 包在我身上，姐姐

我們的唇被封住 / 中人的最大危機！？

Mikhail / We've Arrived in Izumo!

欺騙 / 那是不可能的！

突襲基地並衝入學園基地

天使尋求報復，而超級鋼鐵天使象徵著終極力量

敘事探討了一位天使形存在之死亡與失蹤

敘事探討地獄天使與混沌天使的對比主題。

犯罪與懲罰

一吻開啟奇蹟，故事始於一吻