Oneshot from [Kinjirareta Koibanashi](https://www.mangaupdates.com/series.html?id=94097) Relationship between twin brothers, Shingo & Keigo that is more than just siblings.

While exploring the Demon King’s old castle, ordinary soldier Lunovs unexpectedly encounters the Demon King. The Demon King falls for him at first sight and immediately takes him back to the castle. Mistaking the situation for a plan to eat him, Lunovs is terrified...but instead, he finds himself showered with affection from morning to night!? (Source: Libre, translated) *Notes: \- Chapters 1 and 8 were split into two parts in the original serialization and later combined in the volume release. \- Includes one extra chapter.*

1. **Saigo no Koi** (最期の恋) 2. **Saigo no Koi: Taiin no Hi** (最期の恋～退院の日～) 3. **Tsumetakute Itoshii** (冷たくて愛しい) 4. **Futarigurashi** (二人暮らし) 5-6. **Oshimu wa Kimi ga Inochi nomi** (惜しむは君が命のみ)

*Notes: \- All chapters were split into two parts in the original serialization and later combined in the volume release. \- Includes two extra chapters.*

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