I Live on the Land in Global Games - Chapter 313 - 309 Vampire Lady

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.

At 18, Alex Kain is whisked away to Eryndor, a game-like realm where he gains 'Skill Synthesis', a talent to fuse skills into godlike powers. Battling monsters and conquering dungeons, he builds a harem of strong women drawn to his might and charm. With the power to return to Earth bearing incredible resources, Alex faces a growing threat that endangers both worlds in this epic of adventure, romance, and ambition.

The king of assassins was reborn, mastering both alchemy and poison. Sitting inside the space, there was a ghost that loved crying.

Buying a sickly boy for a hundred gold coins, becoming the master of half a country for no reason.

On their wedding night. She slightly hooked her jade finger, “Come here.”

The man tried weakly bargaining, “Can I redeem myself?”

“No!”

“Can we wait for the bridal chamber tomorrow?”

She cast a cold gaze, “Give me a reason.”

“I…..My period is here.”

Her head was covered in black lines, “Do you think you would even believe that!”

After four hours——

She weakly said, “I can’t go on anymore, wait until tomorrow.”

The man revealed an evil charming smile and turned her over before pressing down, “Want to run? Too late!”

- Description from Novelupdates

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----