Tower Defense Survival: I Defend the Whole Country Alone! - Chapter 2: Defending the Country Alone? Is This a Joke?

The 7-year-old little crybaby met 11-year-old big brother who ran away from home.
[This man became the protector of redemption in his life]

The 16-year-old little dragon fell in love with a 20-year-old big brother.
[It’s a pity that the big brother didn’t recognize him as the little crybaby]

The 23-year-old single father and 27-year-old chief executive meets again.
[This time the little crybaby and his big brother are finally together]

Fortunately we met through hundreds of millions of people, Thank God, for letting us break through many obstacles and get back together again, falling in love with you and being with you again is the greatest fortune in my life.

- Description from Novelupdates

Reincarnation.Or rather... transmigration.Whatever it is, it wasn't something i ever thought i would be a victim of.But here i was...... a villain in the very game i died playing.But... as though that wasn't enough.I am not even going to make it past the first arc.Scratch that.The very first day in the academy...... that's the day i die.(Earlier chaps will involve info drop, the true story starts from the Academy Arc)

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.