Machibito, Chou Kitaru.

"Shall we… make a baby?"

A female idol who's in love with me, an ex-girlfriend with an attitude and boobs to match, and a single-minded delinquent tsundere… No more waiting. It's time for my harem life!

(Source: Coolmic)

Note: Simultaneously released in long-strip and traditional formats, with 36 episodes and 12 chapters respectively.