Jinsei 2-shuume wa Yandere Kareshi wo Amayakashite Happy End ni Narimasu!!  

I Have a Second Chance at Life, so Ill Pamper My Yandere Boyfriend for a Happy Ending!!, 人生２周目はヤンデレ彼氏を甘やかしてハッピーエンドになります!!, Jinsei 2-kaime wa Yandere Kareshi wo Amayakashite Happy End ni Narimasu!!, Jinsei Nikaime wa Yandere Kareshi wo Amayakashite Happy End ni Narimasu!!

She must avoid dying in her second chance at life?! A choose-wisely romantic comedy! ☆On the day of her high school graduation, Himari Ichinose was shoved off to her death by her boyfriend, Shion Taniguchi... At least, thats what she thought, but when she woke up, she had gone back to when she was a second year student! To avoid dying by Shions hands again, Himari thinks of a solution—and that solution is to completely show Shion how she feels about him!Himaris series of unfortunate events begins!(Source: Kadokawa, translated)