Is Iroha Isshiki In Oregairu Season 3?

The Raikiri clan, which was famed as the most prominent military and tactical geniuses, existed since the feudal Japanese period during the reign of Minamoto Yoritomo. Bestowed with great power, the descendants of Iwasaki Senju yielded the Amaterasu, the power which awakens under emotional stress. Kenjirou Subaru was hailed as a legend for saving the clan at the tender age of six from a unit of 70 yakuza. However, all good things must come to an end eventually as the ancient Ninjutsu clan was assassinated in cold blood, probably by an external group fearful of the clan's prominence and place in modern Japanese culture. The horror of the heinous tragedy at his birthplace, the Village of Raden in Osaka rendered his mental condition unstable thus causing Izanami to go rouge. Unbeknownst to him, he ends up in Tokyo, involving in a frenzy of incidents, gathering to find the intel on the person or the organization responsible for the eradication of his people. Therefore, eking out an existence and pursuing an education. He would eventually make his way to Mitsushiba. He enrolls in high school and thus begins his quest to discover himself again. Eventually, he would be befriended by a group of students who change Subaru's view of life and show him that life this beautiful is worth living or is it really the case....

A thirty-year-old office lady, who got into an accident and is now trapped inside a novel series she loves. She was reincarnated into one of the side character extras of the story and meets in person the tyrant magician, the playboy prince, and the clueless female lead of the story.

Evy was a simple-minded girl. If there's work she's there. Evy is a known workaholic. She works day and night, dedicating each of her waking hours to her jobs and making sure that she reaches the deadline. On the day of her birthday, her body gave up and she died alone from exhaustion. Upon receiving the chance of a new life, she was reincarnated as the daughter of the Duke of Polvaros and acquired the prose of living a comfortable life ahead of her. Only she doesn't want that. She wants to work. Even if it's being a maid, a hired killer, or an adventurer. She will do it. The only thing wrong with Evy is that she has no concept of reincarnation or being isekaid. In her head, she was kidnapped to a faraway land… stranded in a place far away from Japan. So she has to learn things as she goes with as little knowledge as anyone else. Having no sense of ever knowing that she was living in fantasy nor knowing the destruction that lies ahead in the future. Evy will do her best to live the life she wanted and surprise a couple of people on the way. Unbeknownst to her, all her actions will make a ripple. Whether they be for the better or worse.... Evy has no clue.

Ayase Nakamura, a dreamy and aspirant girl, has her heart shattered when she catches her boyfriend with her sister and learns the reality of her life. Devastated, she leaves everything and goes after her dream of being a photographer. She then meets Sebastian Nascimento who offers her to be his girlfriend. This is the tale of Ayase, Sebastian, and Ayato on their path to happiness.

After my girlfriend's father hit someone with a car, he took his own life because he didn't want to get arrested. But in doing so, he left behind a huge debt he had racked up. In order to help my girlfriend pay off the compensation, I work around the clock as a food deliveryman. Every day, I sleep less than four hours just to squeeze in more work. But when I finish delivering a new order, I notice a man clad in a bathrobe standing in front of me at a hotel suite's doorway. He's completely covered in hickeys. A young woman dressed in a sexy nightgown hugs him from behind. "I'm absolutely famished right now because of how long you've been tormenting me in bed earlier, darling! Hurry up and grab the takeout!" I can only stare at the woman, completely shell-shocked. That's when the bag of takeout slips off my fingers and crashes onto the floor. The woman takes a step backward. Her brows drawn into a frown, she exclaims, "How are my boyfriend and I supposed to enjoy the food now that it's all dirty?" After that, she kicks the takeout at me right away, spilling grease all over my clothes. I remain rooted to the spot, still stunned. This woman… is Irene Swensen, my girlfriend who's about to get engaged to me.

Olivia Rawles. 20 year old woman who has life is far from perfect. Become a victim of bullying, an orphan, and have to work hard to make ends meet. No one ever wanted to approach Olivia, for various reasons that were always brought up by those around her. One day, a tragic accident that befell Olivia is able to change her life. Olivia wakes up in the body of a 16 year old girl. Olivia's new life begins. Now, he has to live life as a pre-teen girl named Celine Angelista. Back to school. His life now is much easier than his previous life. He no longer needs to bother making money, because he is reborn in a rich and harmonious family. All the family affection, and everyone's attention was on him. Only to an Olivia who became Celine, the child from a family of officials. Not to mention, Olivia must be involved with an ex-boyfriend Celine who is still crazy about Celine.