The supporting character's harem is very normal - Chapter 484: Another Simp

Rolan died in heart attack after reading his favorite novel nonstop for days without sleeping or eating. Reincarnating in the Fantasy world after passing. Into a stone? No! Sword? No! As a slime? No! But a Mimic!With him reincarnating, he shapeshifted into human after copying monsters and absorbing the mana of Demon King.He found a village and used his skill Evolution and evolved them all. Also found and rescued tribes that has a class that Rolan Evolved too.Making him a Lord by them as the Demon Empire and Holy Empired deemed their existences as a threat. Now, the tales of a village into a Kingdom begins! A Kingdom-Building story unfolds!

Megumi Fujiboma, a boy who met an untimely end, awakens to find himself reincarnated as the head of the prestigious Fujiboma household, a branch family of the revered Boma clan.From the moment of his birth, everyone eagerly anticipated the growth of this remarkable heir. However, their enthusiasm quickly faded when Megumi was revealed to lack external abilities, and was declared unfit to become an exorcist—one of those destined to drive the world away from darkness.Yet, Megumi was not one to be easily defeated. He possessed a powerful binding system that equipped him to transform his circumstances far sooner than expected.[Target successfully bound]********[Talent has successfully awakened: Grade One Fire Talent][Receiving tenfold the rewards]

Luan Bednicker, the youngest son of the “Great House.”But… I have no blessings?“The Failure of the Lord of Blood and Iron”“The Fool of Bednicker”I wandered seeking a place to die, away from the clan’s contempt.But then…“You? You’re my disciple, you little shit.”The greatest of all time.The one unparalleled among men.The perfect superhuman.I became the youngest disciple of Baek Nogwang?

Fujii Itsuki unexpectedly found himself in Konoha on the night of the Kyuubi rampage.Although it was a dangerous situation Itsuki still survived.His Isekai life was as dull as it gets, he didn't have any talent for being a shinobi nor did he have a system.Itsuki was prepared to live his life as a lazy bum but unexpectedly he received a summons from the Third, only to find out a piece of shocking news.“ Itsuki I have arranged a marriage for you, the other party is Uzumaki Kushina, I hope you will agree to this marriage ”Facing the request of the Hokage, Itsuki could only reluctantly agree while apologising to Minato who died a few days ago.It's not like he wanted to steal his wife but he was threatened into it.'Sorry Minato, But don't worry I will raise Naruko like she is my own child and take care of Kushina well, and never let her feel any loneliness'Itsuki's seemingly ordinary life was turned upside down due to a single event.