Ecchi

Konoe Yuuto was summoned to a different world where slave trading is legal. There, using his "Skill Taker" cheat ability, he steals the abilities of monsters he defeats, and starts building a slave harem while hoping to live a carefree life after retirement.

A story set 30,000 years ago, starring the Cro-Magnon, by the duo behind Kami-sama no Iu Toori.

His fiancee lost her parents so she will be living with the Hyeons, but Sang-Won is a middle school student and the fiancée is a 24 year old adult!? Sang-Won tries to deny that his fiancée is 9 years older than him, but seeing that she does not act her age, he then feels comfortable around her. His fiancée seems kind and innocent on the outside, but on the inside...

Junpei Takeda, a high school student, is childhood friends with Noriko Tatsumiya and the bully Kido Shouta. One day, during the usual course of bullying Junpei, they were suddenly summoned to a different world by the whim of "God". Summoned Heroes with cheats, or so he thought. But it turns out Junpei's stats were even worse than an average farmer. Tricked into a deathly labyrinth by the only one he trust, he walks the journey for revenge.

n regards to the MMORPG Cross Reverie,

Getting his second chance at life, using the strongest recovery spell "heal" to get everything he want.... the ecchi revenge story of the strongest healer begin

Yoshio Tanaka gets reincarnated into a fantasy game world, with healing magic as a “cheat” ability.

A young man who had surely died in an accident, was reborn in another world as a baby! After that, he was picked up by the patriot hero "Sage" Merlin Wolford and was given the name Shin. He was raised as a grandson by Merlin and soaked up Merlin's teachings earning him some shocking power however, when he became 15 his grandfather Merlin said: "I forgot to teach him common sense".

From MangaHelpers: A new life begins for Kitahara Iori as he begins his college career near the ocean in Izu city, full of excitement for his new life. He will be moving into his Uncle's diving store "Grand Blue." There he finds the beautiful ocean, beautiful women, and men that love diving and alcohol. Will Iori be able to live his dream college life? [DrCoke] --------------------- This manga centers on the budding youthful drama of a college student living along in a coastal city who meets a scuba-diving and fun-loving upperclassmen.