Toaru Majutsu no Index: New Testament - Volume 12, Chapter 4: A Single Breakthrough — Hand_Made_ROUTE.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

“H-Haru.... please... go...”In the midst of the sudden and ongoing Apocalypse, which had turned their lives into a complete hell, Haru embraced his loved one amidst the sadness and despair, watching helplessly as her bitten neck turned black.The person who meant the world to him was turning into a zombie, and he felt helpless to save her.“Why... Why... Why...” Tears fell as he held her tight, not wanting to let go. He was afraid, not of death or turning into something else, but afraid of losing her once more.Yet, amongst tears and desperation, a bit of unexpected hope appeared out for Haru.[Ting! Ting! Ting!][System has now finally initialized!!][Assigning a designated Class suited for the User!!][3][2][1][Congratulations! You acquired the EX Class – Zombie’s Husbando!!][First Quest – Choose a Zombie to be your Waifu!]

Blessed with unlimited mana, Noah travels the worlds and sees rampant corruption and injustice.

“This guy, how heavy is his taste, he’s still able to eat?” Waking up, she looked at her reflection in the mirror, explosive hair, tattoos, and a demon-like face. Look at her for more than a second and you’ll have spicy eyes (your eyes will bleed-aka she looks really ugly).