Houkago Play

In the Houkago Play Series:

V.1: 4-koma about a high-school gamer and his bossy but 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 3