Start in DxD as Motohama: Leveling Up in Another World - Chapter 23: A sweet moment

Kain may not have been very popular, and his life felt dull, but everything changed instantly. When he wasn't at work, he immersed himself in reading and watching anime. Then, the unexpected happened.He woke up in a new world, confronted by a blue interface hovering before him. Join the journey to see how Kain will adapt and thrive in this extraordinary reality.-No Harem- Noobie Writer.

The story is about a man whose compulsive tendencies make it impossible for him to keep a job, and a young girl who skips school and loves insects. The two meet, come to support each other in reintegrating into society, and fall in love. There’s a problem, however: namely, the parasites in their heads.

Behind the successful man, there was often such an ex-girlfriend. She was beautiful and nice, but favored the rich and disdained the poor. She abandoned him in the most difficult period of the man’s career, left him with a huge psychological shadow so that he no longer believed in love.

In the novel, such an ex-girlfriend usually may not get a good ending, used to set off as the true mistress of the cannon fodder. Unfortunately, Ren Qiao transmigrated into the book and become the ex-girlfriend who dumped the male lead, but the male lead still went against the counterattack…..

- Description from Novelupdates

Gao Yang was an orphan who, at the age of six, crossed over to a “parallel world” and began living in a warm family of five.When he turned eighteen, Gao Yang accidentally discovered the truth about this world: it wasn't a parallel world at all, but a mysterious realm, and the loved ones and friends around him were all terrifying “Monsters”!Gao Yang, upon uncovering this truth, narrowly escaped death and, at a crucial moment, gained a system called “Luck” .The longer he survived, the stronger he became! And so, a deadly game of sheep and wolves unfolded...