MIKAWA GHOST

From classmates to brother and sister, living under the same roof.After his father's remarriage, Asamura Yuuta ends up getting a new stepsister, coincidentally the number one beauty of the school year, Ayase Saki. Having learned important values when

Sato Keita (41 years old, single), a corporate slave salaryman who spends his days doing tedious work while feeling stressed, relieves his stress by sneaking into a "dungeon" that has appeared in the modern world and smashing through violent monsters