Haru's former name was Ayari Eryu, but Hagiwara Kenji didn't know that.
Until he died in the explosion and opened his eyes in front of his lover.
Perhaps this story should be called "Say, Thank You, Sister".
/Inspiration for the book title → "The Fifteen Years of Incessant Entanglement of an Adherent Man"
/There are some reversal series and magic modifications
/Suitable for readers who don't need any warning
Intention: Say, thank you sister