Zense de Tsurai Omoi wo Shita node, Kamisama ga Shazai ni Kimashita

Saki Amemiya has spent her life filled with misfortune, from bullying to power harassment. It is right when she thinks she can finally get to go home after having worked overtime until the last train, that lightning strikes and ends her life. She wakes up and realizes a young boy claiming to be a god appears in front of her, and he confesses to her that "All the misfortunes you've had are my fault!." Saki is recommended to be reincarnated into another world as an apology, she accepts the proposal to attain happiness at last. Many divine protections are bestowed upon her...? With the apology cheat, she becomes a beautiful and genius girl?! This time, for sure, she will attain happiness!

(Source: AlphaPolis)