Tsuma Ni Damatte Sokubaikai Ni Ikun Ja Nakatta Install -

The Purchase: Ego Over Ethics

(妻に黙って即売会に行くんじゃなかった), a series by the author (みな本). Based on current availability, this title is primarily a manga/comic series OVA (anime) tsuma ni damatte sokubaikai ni ikun ja nakatta install

It translates roughly to: