During the same time with 〜間(に)
Grammar: Time and Sequence » 〜間に
間(に) joins two clauses to state that the second (main) clause takes place at the same time as the first (subordinate) clause.
The clauses may have different subjects.
間
When two clauses are joined by 間
English counterparts are “during (the time when)” and “while”.
Kyouko’s ribbon needs to be washed. Since she is a jiāngshī (vampire), she will uncontrollably attack people to drink their blood when her ribbon is removed. For this reason, her brother tries to tie her up with a rope. Kyouko hides in the bathroom, then sneaks out the window only to find Kenji waiting outside. A murder victim was last heard from via phone call at 9PM. Her body was found outside later that night. Yukiko was in the main room with everyone except when she was bathing. Urushi prepared chocolate to give Ayumu for Valentine’s Day but is too nervous to give it to him. After the two play shogi during their club, Ayumu turns away from Urushi as he puts the shogi table away.Related Grammar
Examples
Keeping still while her ribbon dries with 〜間

Leaving the room while Yukiko was out with 〜間

Placing the chocolate while his back is turned with 〜間に
