A deadly virus known as "Algernon" has attacked humanity with vicious meaning. At the forefront of the battle is the mystifying Akamatsu Industries—disguised as a heavy machine factory in Tokyo, this undercover organization uses neural enhanced weapons known as NeuroNoids to battle Algernon. Also helping with their secret efforts is the mysterious mutant who is only known as "Betterman."

Satsuki, the daughter of a former comrade, appears before Renji, who was leading a slovenly daily life. "Teach me how to conquer Dungeons." Currently, Dungeon streaming has become a trend among young people. High school girl Satsuki is no exception. Renji was once the strongest conqueror in the country, but ten years have passed, and he has been completely forgotten by society, now just a dull old man. Dungeons, after all this time―― While thinking so, he couldn't just brush her off and ended up diving into a Dungeon... The dull old man who was only strong ten years ago is actually the strongest even today! A suddenly appeared out-of-date dull old man stirs up a storm in the Dungeon streaming world!!

This is Seifukucho. The crime rate has always been zero, and everyone around is nice. It's unthinkable to even speak ill of others, let alone commit violence. Shiozaki Kokoro naturally thought so too. That was until she met the mysterious transfer student Miyabe Kyo. "I'll show you what kind of town this is really like." (Source: Our Feel, translated)

Matsumoto Mizuka is just a normal average high schooler that is a member of track and field (at least, he's supposed to be). Even thought he couldn't see any ghost, he has a special collecting constitution that make ghosts gather around him. Number of ghosts he gather is countless...

1. **Fukurou no Hime to Kageboushi** (梟の姫と影法師) 2. **Heijoukyuu Koi Emaki: Oujo wa Katekyo wo Dokusen shitai** (平城宮恋絵巻～皇女はカテキョを独占したい～) 3. **Katakuna to Yurufuwa** (かたくなとゆるふわ) 4. **Kyuuketsu Hime wa Shoujo Manga ga Egakenai** (吸血姫は少女マンガが描けない ) 5. **Ocha ni wa Nazo wo Hito Kire** (お茶には謎をひときれ)