The Yin-Yang Twins (Isogai X OC x Okuda X OC)

While at Kunugigoaka Junior High, Genkei and Ayume Hino had been nick-named 'The Yin-Yang Twins' because of how differently they acted.
When placed in class 3-E, the twins notice two students, Yuma Isogai and Manami Okuda. As they get closer to the two, the differences between them slowly begin to blur without them noticing.
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*If you do not like LGBT+ characters, I must ask you to NOT read this! This book is based on the fact that the two main characters are NOT straight!*
*I do NOT own Assassination Classroom/Ansatsu Kyoshitsu! All I own are the characters you do NOT see in the anime/manga and any plot added into the story! Everything else belongs to its original creators!*