In the Houkago Play Series:
V.1 -
4-koma about a high-school gamer and his bossy tsundere girlfriend.
V.2 -
About a gamer and his mangaka girlfriend.
V.3 -
About a boy and a girl who are both gamers, though they play with different styles.
V.4 - R
V.5 - High Heels
V.6 - Maniax
V.7 - High Heels 2
V.8 - High Heels 3More...