The Demon King is an Idiot [BL] - Chapter 21: Because it’s you

Suzuki, an adult programmer, suddenly notices that he’s been thrown into a different world while wearing a casual clothes at level 1. He gained high levels and treasures after using the 3 times use-disposable-magic, Meteor Shower, at once. After that he intends to do different world “sightseeing tours”?

He meets 3 beast girls, beautiful purple and black haired sisters, and an eccentric blonde haired elf girl along with various people during his trip. Although there are occasional fighting with demons and demon lords, this is a heartwarming fantasy story at heart.

Long Chen traveled through the world of fantasy and became the head of the Long family.He obtained the most powerful family system.After years,When everyone was fighting for imperial weapons, every member of the Long family already had an imperial weapon!As all forces struggled to recruit geniuses, the Long family already had divine bodies, sacred bodies, Tao bodies, and children of destiny appearing frequently!With the gradual control of the worlds by the Long family, the immortal emperors and immortal kings emerged one after another and suppressed all worlds...

Ayaan is a young resident aspiring to be a surgeon, the final stage of a full on graduated plague doctor. However, in her attempt to redeem herself after a sudden discontinuation, she finds herself unravelling mysteries about her institution that are rather gut wrenching. Stick around and watch her persevere in a world full of monsters; creatures and humans alike.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates