As it suggests, the love interests of the protagonist have to be older than the protagonist. However, it is only used when the age difference is quite significant, and either the physical/mental aspects of this difference gets some screen time.
Through years of abuse and death threats, Ye Jian is not so ready to bid adieu to this world just yet! Fortunately, destiny has granted her another shot at life. Only this time, she is determined to become the master of her own fate and retaliate her oppressors from her previous life. It's payback time. Although reborn with beauty and youth, Ye Jian obviously holds higher pursuits. In this life, she is determined to become an extraordinary commando. No, she does not need love, family, or any affection! He is born in a powerful family; and step-by-step, he becomes the youngest Major General through his own merits. He is drawn to her every move, despite her repeatedly shunning him. "What you need is love, my little fox," he whispers. "Get lost! I need bullets!" She steps away. Behold. Let this novel take you through the warm, happy, loyal, and passionate story of the aggressive military couple.
I fell in love. Her name was Shirasaki Yukino. I could only look at her from a distance. However one day I heard that she already had a boyfriend. Even if I love her, I can’t have her. The devil sent me an invitation. I can make her mine!
This is the story of a young slave gladiator in an underground arena. He doesn’t know about his past or how he got to where he is, only that his name is Aegir, and that he is strong. One day he kills the boss and escapes the arena, joining a band of mercenaries as a new recruit. During one mission, they encounter the vampire, Lucy, who slaughters the band with her inhuman strength. After learning that Aegir only knows how to kill, Lucy lets him stay at her house, educating and taking care of him. Two years pass, and on the day of Aegir’s departure, they both exchange a promise that if Aegir becomes a king and owns the land of Erg forest, he can come and take her as his woman. Making this his life goal, Aegir set out on a journey to become a hero, a king, and found his own kingdom.
I made a game. When I woke up, I was in that game. When I was in confusion and embarrassment, the one who brought me into this world appeared and said: “Oh, Creator. This is a game only for you, but it is also a ‘duty’.”
After his struggle against disease for a decade, the main character dies. However, he revives and became younger in a different world. The main support of the main character’s heart during his battle against the disease is a TV program about leisure farming. In his second life in a different world, he’s going to try farming. Common things like different world transition and domestic affairs? This will have no big climax. This is going to be frantic.