After achieving fruitful results in New World Online's previous events, the now famous Maple Tree guild is excited to explore the new floors introduced in game. As if their guild was not already feared enough, each member is motivated to find stronger skills for themselves in order to greatly expand their options in future battles. Not forgetting the importance of networking, the guild also forges amicable relationships with other notable guilds, such as the Kingdom of the Flame Emperor and the Congregation of the Holy Swords. With their eccentric guild master Maple at the forefront, the members of Maple Tree continue to stumble upon creative ways to implement their skills, driving the game developers crazy along the way.

Takuma Sakamoto is a hikikomori gamer who is mysteriously transported to the virtual world of his favourite MMORPG, Cross Reverie, with the appearance of his own character in the game, the Demon Lord Diablo. The two young girls who summoned him, the pantherian Rem and the elf Shera, attempt to use a spell to make Takuma their servant, but due to his magic ring with the ability "Magic Reflection", the spell rebounds, and both end up with magic collars stuck on their necks, thus becoming his servants instead. With a serious case of social anxiety, Takuma decides to act like his character while interacting with others, and makes use of his high stats and vast knowledge of Cross Reverie's lore to survive in his new environment, traveling along with Rem and Shera to look for a way to remove their slave collars, while helping them with their own personal issues that led them to summon him in the first place.

Inu-Oh is born with unique physical characteristics, and the horrified adults cover every inch of his body with garments, including a mask on his face. One day, he meets a boy named Tomona, a blind biwa player, and as Tomona plays a delicate song of tangled fate, Inu-Oh discovers an incredible ability to dance. Inu-Oh and Tomona become business partners and inseparable friends, using their creative gifts to survive on the margins of society, as song after song gain them notoriety and propel them to stardom. Through the songs, Inu-Oh mesmerizes his audiences on stage, and gradually begins to transform into someone of unequaled beauty. But why is Tomona blind? Why was Inu-Oh born with unique characteristics? It is a story about the friendship of Inu-Oh and Tomona, who dance and sing to get to the truth and break each other's curse.