Wan to Naku Nara Nadete Yaru

Salaryman Suda was living a monotonous life, just going back and forth between home and work.
One day, he comes home to find his high school junior, Kousaka, there with a wild request: "Please take me in!"
And just like that, a clingy “puppy” barges into his life!
Did Suda just end up adopting the most outrageous puppy (junior) of all...?!

"I'm the only one with my heart racing, how pathetic is that...!"

(Source: Libre, translated)

Notes:
- Chapters 1 to 4 were split into two parts while Chapter 5 was split into three parts in the original serialization, all later combined in the volume release.
- Includes six extra chapters.