MTL - Interstellar Fairy Tale - ~ Work related

A teen is summoned to another world as the Hero. It turns out the Hero can power up women with his cum.

I, an ordinary high school student, Kimizuka Kimihiko, who easily gets involved in things, was appointed to take care of mysterious attache cases by mysterious men in black suits. After meeting a beautiful angel-like detective girl, named Siesta in a hijacked plane, I became her assistant.

And from there–

[You deal with the beehive, and I’ll restrain the enemy.] [Don’t make plans that make me the victim.]

We had those kinds of foolish conversations, all while being completely broke every day and fought against . Even when there were hurricanes, the weather-beaten duo sleep past it. Sometimes when we saved money at a casino, we would jump around on the beds at a resort hotel, only to be broke again the next day. We would walk through deserts, traverse through jungles, conquer mountains, cross oceans– The great detective and her assistant would go through these dazzling adventures–

Until she died.

And this story starts from 1 year after that incident.

I’m the only one who’s left, but I carry on her remained wishes.

This story is far from over..

In the class where everyone awakened to Class A, Rosen was violently attacked online for awakening to a Class D hero template.Fortunately, the awakened Class D template is a 'growth' template rarely seen in a thousand years.So what if others have a strong S-level template, they only have one skill for life, while I can use my Class D 'transform' skill on par with you!Not to mention upgrading from D to C, where I can awaken new skills, and the new skills are even more powerful!Continuously leveling up, awakening more skills.And as the level increases, the form also changes, evolving into monsters similar to those in 'Classic of Mountains and Seas'!......The class teacher and the principal, not recognizing talent like Mount Tai, persuaded Rosen to drop out. Rosen could only work at the crematorium to earn currency to buy Awakening Stones, temporarily enduring for a month.Coincidentally, other forces ran rampant, killing their classmates who awakened to Class A and Class S.Thus, Rosen discovered several familiar corpses appearing in the crematorium...Facing the corpses of those who bullied him while they were alive, Rosen chose...